Home / 77,479,787.32-106,929,658.80-57,866,625.07

Finding the Fourth Proportional to 77,479,787.32, 106,929,658.80 and 57,866,625.07

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Solution

The fourth proportional to 77,479,787.32, 106,929,658.80 and 57,866,625.07 is: 79,861,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,479,787.32 : 106,929,658.80 = 57,866,625.07 : x
  2. Step 2: Convert to fraction form
    77,479,787.32/106,929,658.80 = 57,866,625.07/x
  3. Step 3: Cross multiply
    77,479,787.32x = 106,929,658.80 × 57,866,625.07
  4. Step 4: Simplify right side
    77,479,787.32x = 6,187,658,474,375,302
  5. Step 5: Solve for x
    x = 6,187,658,474,375,302/77,479,787.32
  6. Step 6: Final answer
    x = 79,861,583.11

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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.