Home / 98,982,481.30-148,473,721.95-66,733,854.10

Finding the Fourth Proportional to 98,982,481.30, 148,473,721.95 and 66,733,854.10

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Solution

The fourth proportional to 98,982,481.30, 148,473,721.95 and 66,733,854.10 is: 100,100,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,982,481.30 : 148,473,721.95 = 66,733,854.10 : x
  2. Step 2: Convert to fraction form
    98,982,481.30/148,473,721.95 = 66,733,854.10/x
  3. Step 3: Cross multiply
    98,982,481.30x = 148,473,721.95 × 66,733,854.10
  4. Step 4: Simplify right side
    98,982,481.30x = 9,908,223,698,295,266
  5. Step 5: Solve for x
    x = 9,908,223,698,295,266/98,982,481.30
  6. Step 6: Final answer
    x = 100,100,781.15

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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.