Home / 77,487,437.28-106,932,653.85-42,680,127.73

Finding the Fourth Proportional to 77,487,437.28, 106,932,653.85 and 42,680,127.73

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Solution

The fourth proportional to 77,487,437.28, 106,932,653.85 and 42,680,127.73 is: 58,898,570.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,487,437.28 : 106,932,653.85 = 42,680,127.73 : x
  2. Step 2: Convert to fraction form
    77,487,437.28/106,932,653.85 = 42,680,127.73/x
  3. Step 3: Cross multiply
    77,487,437.28x = 106,932,653.85 × 42,680,127.73
  4. Step 4: Simplify right side
    77,487,437.28x = 4,563,899,324,825,876
  5. Step 5: Solve for x
    x = 4,563,899,324,825,876/77,487,437.28
  6. Step 6: Final answer
    x = 58,898,570.98

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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.