Home / 127,491,131.70-191,236,697.55-101,981,963.70

Finding the Fourth Proportional to 127,491,131.70, 191,236,697.55 and 101,981,963.70

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Solution

The fourth proportional to 127,491,131.70, 191,236,697.55 and 101,981,963.70 is: 152,972,945.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,491,131.70 : 191,236,697.55 = 101,981,963.70 : x
  2. Step 2: Convert to fraction form
    127,491,131.70/191,236,697.55 = 101,981,963.70/x
  3. Step 3: Cross multiply
    127,491,131.70x = 191,236,697.55 × 101,981,963.70
  4. Step 4: Simplify right side
    127,491,131.70x = 19,502,693,947,651,980
  5. Step 5: Solve for x
    x = 19,502,693,947,651,980/127,491,131.70
  6. Step 6: Final answer
    x = 152,972,945.55

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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.