Home / 77,443,145.27-106,867,483.76-42,629,035.85

Finding the Fourth Proportional to 77,443,145.27, 106,867,483.76 and 42,629,035.85

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Solution

The fourth proportional to 77,443,145.27, 106,867,483.76 and 42,629,035.85 is: 58,825,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,443,145.27 : 106,867,483.76 = 42,629,035.85 : x
  2. Step 2: Convert to fraction form
    77,443,145.27/106,867,483.76 = 42,629,035.85/x
  3. Step 3: Cross multiply
    77,443,145.27x = 106,867,483.76 × 42,629,035.85
  4. Step 4: Simplify right side
    77,443,145.27x = 4,555,657,795,656,850
  5. Step 5: Solve for x
    x = 4,555,657,795,656,850/77,443,145.27
  6. Step 6: Final answer
    x = 58,825,836.43

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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.