Home / 77,443,403.42-106,867,839.48-42,629,294

Finding the Fourth Proportional to 77,443,403.42, 106,867,839.48 and 42,629,294

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Solution

The fourth proportional to 77,443,403.42, 106,867,839.48 and 42,629,294 is: 58,826,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,443,403.42 : 106,867,839.48 = 42,629,294 : x
  2. Step 2: Convert to fraction form
    77,443,403.42/106,867,839.48 = 42,629,294/x
  3. Step 3: Cross multiply
    77,443,403.42x = 106,867,839.48 × 42,629,294
  4. Step 4: Simplify right side
    77,443,403.42x = 4,555,700,548,337,727
  5. Step 5: Solve for x
    x = 4,555,700,548,337,727/77,443,403.42
  6. Step 6: Final answer
    x = 58,826,192.38

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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.