Home / 173,840,990,142.60-260,761,485,213.90-123,339,639,947.40

Finding the Fourth Proportional to 173,840,990,142.60, 260,761,485,213.90 and 123,339,639,947.40

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Solution

The fourth proportional to 173,840,990,142.60, 260,761,485,213.90 and 123,339,639,947.40 is: 185,009,459,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,840,990,142.60 : 260,761,485,213.90 = 123,339,639,947.40 : x
  2. Step 2: Convert to fraction form
    173,840,990,142.60/260,761,485,213.90 = 123,339,639,947.40/x
  3. Step 3: Cross multiply
    173,840,990,142.60x = 260,761,485,213.90 × 123,339,639,947.40
  4. Step 4: Simplify right side
    173,840,990,142.60x = 32,162,227,698,431,692,898,304
  5. Step 5: Solve for x
    x = 32,162,227,698,431,692,898,304/173,840,990,142.60
  6. Step 6: Final answer
    x = 185,009,459,921.10

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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.