Home / 77,294,498.13-106,665,778.67-42,486,818.49

Finding the Fourth Proportional to 77,294,498.13, 106,665,778.67 and 42,486,818.49

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Solution

The fourth proportional to 77,294,498.13, 106,665,778.67 and 42,486,818.49 is: 58,631,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,294,498.13 : 106,665,778.67 = 42,486,818.49 : x
  2. Step 2: Convert to fraction form
    77,294,498.13/106,665,778.67 = 42,486,818.49/x
  3. Step 3: Cross multiply
    77,294,498.13x = 106,665,778.67 × 42,486,818.49
  4. Step 4: Simplify right side
    77,294,498.13x = 4,531,889,577,234,370
  5. Step 5: Solve for x
    x = 4,531,889,577,234,370/77,294,498.13
  6. Step 6: Final answer
    x = 58,631,463.91

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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.