Home / 138,936,787.98-208,468,824.30-60,177,384.48

Finding the Fourth Proportional to 138,936,787.98, 208,468,824.30 and 60,177,384.48

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Solution

The fourth proportional to 138,936,787.98, 208,468,824.30 and 60,177,384.48 is: 90,293,641.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,936,787.98 : 208,468,824.30 = 60,177,384.48 : x
  2. Step 2: Convert to fraction form
    138,936,787.98/208,468,824.30 = 60,177,384.48/x
  3. Step 3: Cross multiply
    138,936,787.98x = 208,468,824.30 × 60,177,384.48
  4. Step 4: Simplify right side
    138,936,787.98x = 12,545,108,591,994,666
  5. Step 5: Solve for x
    x = 12,545,108,591,994,666/138,936,787.98
  6. Step 6: Final answer
    x = 90,293,641.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.