Home / 125,687,292.89-173,445,744.22-72,766,231.96

Finding the Fourth Proportional to 125,687,292.89, 173,445,744.22 and 72,766,231.96

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Solution

The fourth proportional to 125,687,292.89, 173,445,744.22 and 72,766,231.96 is: 100,415,825.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,687,292.89 : 173,445,744.22 = 72,766,231.96 : x
  2. Step 2: Convert to fraction form
    125,687,292.89/173,445,744.22 = 72,766,231.96/x
  3. Step 3: Cross multiply
    125,687,292.89x = 173,445,744.22 × 72,766,231.96
  4. Step 4: Simplify right side
    125,687,292.89x = 12,620,993,256,387,348
  5. Step 5: Solve for x
    x = 12,620,993,256,387,348/125,687,292.89
  6. Step 6: Final answer
    x = 100,415,825.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.