Home / 77,294,484.88-106,665,760.38-42,486,805.24

Finding the Fourth Proportional to 77,294,484.88, 106,665,760.38 and 42,486,805.24

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Solution

The fourth proportional to 77,294,484.88, 106,665,760.38 and 42,486,805.24 is: 58,631,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,294,484.88 : 106,665,760.38 = 42,486,805.24 : x
  2. Step 2: Convert to fraction form
    77,294,484.88/106,665,760.38 = 42,486,805.24/x
  3. Step 3: Cross multiply
    77,294,484.88x = 106,665,760.38 × 42,486,805.24
  4. Step 4: Simplify right side
    77,294,484.88x = 4,531,887,387,041,568
  5. Step 5: Solve for x
    x = 4,531,887,387,041,568/77,294,484.88
  6. Step 6: Final answer
    x = 58,631,445.62

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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.