Home / 129,487,710.70-194,231,566.05-88,673,041.90

Finding the Fourth Proportional to 129,487,710.70, 194,231,566.05 and 88,673,041.90

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Solution

The fourth proportional to 129,487,710.70, 194,231,566.05 and 88,673,041.90 is: 133,009,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,487,710.70 : 194,231,566.05 = 88,673,041.90 : x
  2. Step 2: Convert to fraction form
    129,487,710.70/194,231,566.05 = 88,673,041.90/x
  3. Step 3: Cross multiply
    129,487,710.70x = 194,231,566.05 × 88,673,041.90
  4. Step 4: Simplify right side
    129,487,710.70x = 17,223,103,794,654,270
  5. Step 5: Solve for x
    x = 17,223,103,794,654,270/129,487,710.70
  6. Step 6: Final answer
    x = 133,009,562.85

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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.