Home / 129,287,644.20-194,025,944.70-91,023,892.20

Finding the Fourth Proportional to 129,287,644.20, 194,025,944.70 and 91,023,892.20

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Solution

The fourth proportional to 129,287,644.20, 194,025,944.70 and 91,023,892.20 is: 136,602,355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,287,644.20 : 194,025,944.70 = 91,023,892.20 : x
  2. Step 2: Convert to fraction form
    129,287,644.20/194,025,944.70 = 91,023,892.20/x
  3. Step 3: Cross multiply
    129,287,644.20x = 194,025,944.70 × 91,023,892.20
  4. Step 4: Simplify right side
    129,287,644.20x = 17,660,996,674,375,960
  5. Step 5: Solve for x
    x = 17,660,996,674,375,960/129,287,644.20
  6. Step 6: Final answer
    x = 136,602,355.03

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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.