Home / 98,972,074.40-148,332,140.40-88,138,551.20

Finding the Fourth Proportional to 98,972,074.40, 148,332,140.40 and 88,138,551.20

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Solution

The fourth proportional to 98,972,074.40, 148,332,140.40 and 88,138,551.20 is: 132,095,644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,972,074.40 : 148,332,140.40 = 88,138,551.20 : x
  2. Step 2: Convert to fraction form
    98,972,074.40/148,332,140.40 = 88,138,551.20/x
  3. Step 3: Cross multiply
    98,972,074.40x = 148,332,140.40 × 88,138,551.20
  4. Step 4: Simplify right side
    98,972,074.40x = 13,073,779,951,250,990
  5. Step 5: Solve for x
    x = 13,073,779,951,250,990/98,972,074.40
  6. Step 6: Final answer
    x = 132,095,644.46

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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.