Home / 56,670,863.20-85,069,280.40-31,161,695.20

Finding the Fourth Proportional to 56,670,863.20, 85,069,280.40 and 31,161,695.20

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Solution

The fourth proportional to 56,670,863.20, 85,069,280.40 and 31,161,695.20 is: 46,777,176.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,670,863.20 : 85,069,280.40 = 31,161,695.20 : x
  2. Step 2: Convert to fraction form
    56,670,863.20/85,069,280.40 = 31,161,695.20/x
  3. Step 3: Cross multiply
    56,670,863.20x = 85,069,280.40 × 31,161,695.20
  4. Step 4: Simplify right side
    56,670,863.20x = 2,650,902,986,708,134
  5. Step 5: Solve for x
    x = 2,650,902,986,708,134/56,670,863.20
  6. Step 6: Final answer
    x = 46,777,176.79

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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.