Home / 123,545,220.60-170,492,338.56-67,791,007.20

Finding the Fourth Proportional to 123,545,220.60, 170,492,338.56 and 67,791,007.20

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Solution

The fourth proportional to 123,545,220.60, 170,492,338.56 and 67,791,007.20 is: 93,551,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,545,220.60 : 170,492,338.56 = 67,791,007.20 : x
  2. Step 2: Convert to fraction form
    123,545,220.60/170,492,338.56 = 67,791,007.20/x
  3. Step 3: Cross multiply
    123,545,220.60x = 170,492,338.56 × 67,791,007.20
  4. Step 4: Simplify right side
    123,545,220.60x = 11,557,847,350,865,798
  5. Step 5: Solve for x
    x = 11,557,847,350,865,798/123,545,220.60
  6. Step 6: Final answer
    x = 93,551,553.79

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1.5x scale

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.