Home / 56,272,061.89-77,655,445.41-30,517,949.89

Finding the Fourth Proportional to 56,272,061.89, 77,655,445.41 and 30,517,949.89

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Solution

The fourth proportional to 56,272,061.89, 77,655,445.41 and 30,517,949.89 is: 42,114,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,272,061.89 : 77,655,445.41 = 30,517,949.89 : x
  2. Step 2: Convert to fraction form
    56,272,061.89/77,655,445.41 = 30,517,949.89/x
  3. Step 3: Cross multiply
    56,272,061.89x = 77,655,445.41 × 30,517,949.89
  4. Step 4: Simplify right side
    56,272,061.89x = 2,369,884,991,708,010.50
  5. Step 5: Solve for x
    x = 2,369,884,991,708,010.50/56,272,061.89
  6. Step 6: Final answer
    x = 42,114,770.85

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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.