Home / 173,840,990,136.10-260,761,485,204.15-123,339,639,940.90

Finding the Fourth Proportional to 173,840,990,136.10, 260,761,485,204.15 and 123,339,639,940.90

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Solution

The fourth proportional to 173,840,990,136.10, 260,761,485,204.15 and 123,339,639,940.90 is: 185,009,459,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,840,990,136.10 : 260,761,485,204.15 = 123,339,639,940.90 : x
  2. Step 2: Convert to fraction form
    173,840,990,136.10/260,761,485,204.15 = 123,339,639,940.90/x
  3. Step 3: Cross multiply
    173,840,990,136.10x = 260,761,485,204.15 × 123,339,639,940.90
  4. Step 4: Simplify right side
    173,840,990,136.10x = 32,162,227,695,534,179,614,720
  5. Step 5: Solve for x
    x = 32,162,227,695,534,179,614,720/173,840,990,136.10
  6. Step 6: Final answer
    x = 185,009,459,911.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.