Home / 42,041,237.40-63,061,856.10-31,279,557.15

Finding the Fourth Proportional to 42,041,237.40, 63,061,856.10 and 31,279,557.15

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Solution

The fourth proportional to 42,041,237.40, 63,061,856.10 and 31,279,557.15 is: 46,919,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,041,237.40 : 63,061,856.10 = 31,279,557.15 : x
  2. Step 2: Convert to fraction form
    42,041,237.40/63,061,856.10 = 31,279,557.15/x
  3. Step 3: Cross multiply
    42,041,237.40x = 63,061,856.10 × 31,279,557.15
  4. Step 4: Simplify right side
    42,041,237.40x = 1,972,546,931,865,026
  5. Step 5: Solve for x
    x = 1,972,546,931,865,026/42,041,237.40
  6. Step 6: Final answer
    x = 46,919,335.73

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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.