Home / 128,933,137.70-193,399,706.55-88,118,468.90

Finding the Fourth Proportional to 128,933,137.70, 193,399,706.55 and 88,118,468.90

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Solution

The fourth proportional to 128,933,137.70, 193,399,706.55 and 88,118,468.90 is: 132,177,703.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,933,137.70 : 193,399,706.55 = 88,118,468.90 : x
  2. Step 2: Convert to fraction form
    128,933,137.70/193,399,706.55 = 88,118,468.90/x
  3. Step 3: Cross multiply
    128,933,137.70x = 193,399,706.55 × 88,118,468.90
  4. Step 4: Simplify right side
    128,933,137.70x = 17,042,086,026,895,304
  5. Step 5: Solve for x
    x = 17,042,086,026,895,304/128,933,137.70
  6. Step 6: Final answer
    x = 132,177,703.35

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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.