Home / 129,373,398.90-194,060,098.35-43,114,619.70

Finding the Fourth Proportional to 129,373,398.90, 194,060,098.35 and 43,114,619.70

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Solution

The fourth proportional to 129,373,398.90, 194,060,098.35 and 43,114,619.70 is: 64,671,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,373,398.90 : 194,060,098.35 = 43,114,619.70 : x
  2. Step 2: Convert to fraction form
    129,373,398.90/194,060,098.35 = 43,114,619.70/x
  3. Step 3: Cross multiply
    129,373,398.90x = 194,060,098.35 × 43,114,619.70
  4. Step 4: Simplify right side
    129,373,398.90x = 8,366,827,339,304,848
  5. Step 5: Solve for x
    x = 8,366,827,339,304,848/129,373,398.90
  6. Step 6: Final answer
    x = 64,671,929.55

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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.