Home / 99,804,909.60-149,413,431.60-74,358,727.20

Finding the Fourth Proportional to 99,804,909.60, 149,413,431.60 and 74,358,727.20

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Solution

The fourth proportional to 99,804,909.60, 149,413,431.60 and 74,358,727.20 is: 111,319,098.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,804,909.60 : 149,413,431.60 = 74,358,727.20 : x
  2. Step 2: Convert to fraction form
    99,804,909.60/149,413,431.60 = 74,358,727.20/x
  3. Step 3: Cross multiply
    99,804,909.60x = 149,413,431.60 × 74,358,727.20
  4. Step 4: Simplify right side
    99,804,909.60x = 11,110,192,600,360,260
  5. Step 5: Solve for x
    x = 11,110,192,600,360,260/99,804,909.60
  6. Step 6: Final answer
    x = 111,319,098.88

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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.