Home / 100,101,152.10-150,151,728.15-42,595,299.30

Finding the Fourth Proportional to 100,101,152.10, 150,151,728.15 and 42,595,299.30

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Solution

The fourth proportional to 100,101,152.10, 150,151,728.15 and 42,595,299.30 is: 63,892,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,101,152.10 : 150,151,728.15 = 42,595,299.30 : x
  2. Step 2: Convert to fraction form
    100,101,152.10/150,151,728.15 = 42,595,299.30/x
  3. Step 3: Cross multiply
    100,101,152.10x = 150,151,728.15 × 42,595,299.30
  4. Step 4: Simplify right side
    100,101,152.10x = 6,395,757,800,961,485
  5. Step 5: Solve for x
    x = 6,395,757,800,961,485/100,101,152.10
  6. Step 6: Final answer
    x = 63,892,948.95

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Double scale
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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.