Home / 98,496,420.40-147,744,630.60-66,247,793.20

Finding the Fourth Proportional to 98,496,420.40, 147,744,630.60 and 66,247,793.20

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Solution

The fourth proportional to 98,496,420.40, 147,744,630.60 and 66,247,793.20 is: 99,371,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,496,420.40 : 147,744,630.60 = 66,247,793.20 : x
  2. Step 2: Convert to fraction form
    98,496,420.40/147,744,630.60 = 66,247,793.20/x
  3. Step 3: Cross multiply
    98,496,420.40x = 147,744,630.60 × 66,247,793.20
  4. Step 4: Simplify right side
    98,496,420.40x = 9,787,755,734,399,192
  5. Step 5: Solve for x
    x = 9,787,755,734,399,192/98,496,420.40
  6. Step 6: Final answer
    x = 99,371,689.80

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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.