Home / 124,660,142.51-186,981,345.47-38,389,553.51

Finding the Fourth Proportional to 124,660,142.51, 186,981,345.47 and 38,389,553.51

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Solution

The fourth proportional to 124,660,142.51, 186,981,345.47 and 38,389,553.51 is: 57,581,599.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,660,142.51 : 186,981,345.47 = 38,389,553.51 : x
  2. Step 2: Convert to fraction form
    124,660,142.51/186,981,345.47 = 38,389,553.51/x
  3. Step 3: Cross multiply
    124,660,142.51x = 186,981,345.47 × 38,389,553.51
  4. Step 4: Simplify right side
    124,660,142.51x = 7,178,130,366,453,429
  5. Step 5: Solve for x
    x = 7,178,130,366,453,429/124,660,142.51
  6. Step 6: Final answer
    x = 57,581,599.24

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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.