Home / 90,867,702.60-136,348,793.10-39,754,888.20

Finding the Fourth Proportional to 90,867,702.60, 136,348,793.10 and 39,754,888.20

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Solution

The fourth proportional to 90,867,702.60, 136,348,793.10 and 39,754,888.20 is: 59,652,999.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,867,702.60 : 136,348,793.10 = 39,754,888.20 : x
  2. Step 2: Convert to fraction form
    90,867,702.60/136,348,793.10 = 39,754,888.20/x
  3. Step 3: Cross multiply
    90,867,702.60x = 136,348,793.10 × 39,754,888.20
  4. Step 4: Simplify right side
    90,867,702.60x = 5,420,531,025,895,432
  5. Step 5: Solve for x
    x = 5,420,531,025,895,432/90,867,702.60
  6. Step 6: Final answer
    x = 59,652,999.59

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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.