Home / 124,660,238.13-186,981,488.71-38,389,649.13

Finding the Fourth Proportional to 124,660,238.13, 186,981,488.71 and 38,389,649.13

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Solution

The fourth proportional to 124,660,238.13, 186,981,488.71 and 38,389,649.13 is: 57,581,742.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,660,238.13 : 186,981,488.71 = 38,389,649.13 : x
  2. Step 2: Convert to fraction form
    124,660,238.13/186,981,488.71 = 38,389,649.13/x
  3. Step 3: Cross multiply
    124,660,238.13x = 186,981,488.71 × 38,389,649.13
  4. Step 4: Simplify right side
    124,660,238.13x = 7,178,153,745,285,983
  5. Step 5: Solve for x
    x = 7,178,153,745,285,983/124,660,238.13
  6. Step 6: Final answer
    x = 57,581,742.61

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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.