Home / 127,491,130.20-191,236,695.30-101,981,962.20

Finding the Fourth Proportional to 127,491,130.20, 191,236,695.30 and 101,981,962.20

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Solution

The fourth proportional to 127,491,130.20, 191,236,695.30 and 101,981,962.20 is: 152,972,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,491,130.20 : 191,236,695.30 = 101,981,962.20 : x
  2. Step 2: Convert to fraction form
    127,491,130.20/191,236,695.30 = 101,981,962.20/x
  3. Step 3: Cross multiply
    127,491,130.20x = 191,236,695.30 × 101,981,962.20
  4. Step 4: Simplify right side
    127,491,130.20x = 19,502,693,431,337,520
  5. Step 5: Solve for x
    x = 19,502,693,431,337,520/127,491,130.20
  6. Step 6: Final answer
    x = 152,972,943.30

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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.