Home / 56,282,672.76-77,669,285.10-31,162,381.38

Finding the Fourth Proportional to 56,282,672.76, 77,669,285.10 and 31,162,381.38

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Solution

The fourth proportional to 56,282,672.76, 77,669,285.10 and 31,162,381.38 is: 43,003,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,282,672.76 : 77,669,285.10 = 31,162,381.38 : x
  2. Step 2: Convert to fraction form
    56,282,672.76/77,669,285.10 = 31,162,381.38/x
  3. Step 3: Cross multiply
    56,282,672.76x = 77,669,285.10 × 31,162,381.38
  4. Step 4: Simplify right side
    56,282,672.76x = 2,420,359,883,539,650
  5. Step 5: Solve for x
    x = 2,420,359,883,539,650/56,282,672.76
  6. Step 6: Final answer
    x = 43,003,641.53

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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.