Home / 100,151,352.30-150,227,028.45-74,323,319.70

Finding the Fourth Proportional to 100,151,352.30, 150,227,028.45 and 74,323,319.70

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Solution

The fourth proportional to 100,151,352.30, 150,227,028.45 and 74,323,319.70 is: 111,484,979.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,151,352.30 : 150,227,028.45 = 74,323,319.70 : x
  2. Step 2: Convert to fraction form
    100,151,352.30/150,227,028.45 = 74,323,319.70/x
  3. Step 3: Cross multiply
    100,151,352.30x = 150,227,028.45 × 74,323,319.70
  4. Step 4: Simplify right side
    100,151,352.30x = 11,165,371,463,070,346
  5. Step 5: Solve for x
    x = 11,165,371,463,070,346/100,151,352.30
  6. Step 6: Final answer
    x = 111,484,979.55

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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.