Home / 83,391,143.32-125,102,428.74-31,591,261

Finding the Fourth Proportional to 83,391,143.32, 125,102,428.74 and 31,591,261

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Solution

The fourth proportional to 83,391,143.32, 125,102,428.74 and 31,591,261 is: 47,392,844.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,391,143.32 : 125,102,428.74 = 31,591,261 : x
  2. Step 2: Convert to fraction form
    83,391,143.32/125,102,428.74 = 31,591,261/x
  3. Step 3: Cross multiply
    83,391,143.32x = 125,102,428.74 × 31,591,261
  4. Step 4: Simplify right side
    83,391,143.32x = 3,952,143,478,059,241
  5. Step 5: Solve for x
    x = 3,952,143,478,059,241/83,391,143.32
  6. Step 6: Final answer
    x = 47,392,844.38

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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.