Home / 99,804,917.60-149,413,443.60-74,358,735.20

Finding the Fourth Proportional to 99,804,917.60, 149,413,443.60 and 74,358,735.20

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Solution

The fourth proportional to 99,804,917.60, 149,413,443.60 and 74,358,735.20 is: 111,319,110.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,804,917.60 : 149,413,443.60 = 74,358,735.20 : x
  2. Step 2: Convert to fraction form
    99,804,917.60/149,413,443.60 = 74,358,735.20/x
  3. Step 3: Cross multiply
    99,804,917.60x = 149,413,443.60 × 74,358,735.20
  4. Step 4: Simplify right side
    99,804,917.60x = 11,110,194,687,972,534
  5. Step 5: Solve for x
    x = 11,110,194,687,972,534/99,804,917.60
  6. Step 6: Final answer
    x = 111,319,110.87

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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.