Home / 83,231,999.70-124,847,999.55-76,662,834.90

Finding the Fourth Proportional to 83,231,999.70, 124,847,999.55 and 76,662,834.90

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Solution

The fourth proportional to 83,231,999.70, 124,847,999.55 and 76,662,834.90 is: 114,994,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,231,999.70 : 124,847,999.55 = 76,662,834.90 : x
  2. Step 2: Convert to fraction form
    83,231,999.70/124,847,999.55 = 76,662,834.90/x
  3. Step 3: Cross multiply
    83,231,999.70x = 124,847,999.55 × 76,662,834.90
  4. Step 4: Simplify right side
    83,231,999.70x = 9,571,201,577,096,924
  5. Step 5: Solve for x
    x = 9,571,201,577,096,924/83,231,999.70
  6. Step 6: Final answer
    x = 114,994,252.35

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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.