Home / 129,487,628.70-194,231,443.05-88,672,959.90

Finding the Fourth Proportional to 129,487,628.70, 194,231,443.05 and 88,672,959.90

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Solution

The fourth proportional to 129,487,628.70, 194,231,443.05 and 88,672,959.90 is: 133,009,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,487,628.70 : 194,231,443.05 = 88,672,959.90 : x
  2. Step 2: Convert to fraction form
    129,487,628.70/194,231,443.05 = 88,672,959.90/x
  3. Step 3: Cross multiply
    129,487,628.70x = 194,231,443.05 × 88,672,959.90
  4. Step 4: Simplify right side
    129,487,628.70x = 17,223,076,960,891,786
  5. Step 5: Solve for x
    x = 17,223,076,960,891,786/129,487,628.70
  6. Step 6: Final answer
    x = 133,009,439.85

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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.