Home / 115,148,514.36-158,904,564.03-62,937,519.78

Finding the Fourth Proportional to 115,148,514.36, 158,904,564.03 and 62,937,519.78

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Solution

The fourth proportional to 115,148,514.36, 158,904,564.03 and 62,937,519.78 is: 86,853,566.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,148,514.36 : 158,904,564.03 = 62,937,519.78 : x
  2. Step 2: Convert to fraction form
    115,148,514.36/158,904,564.03 = 62,937,519.78/x
  3. Step 3: Cross multiply
    115,148,514.36x = 158,904,564.03 × 62,937,519.78
  4. Step 4: Simplify right side
    115,148,514.36x = 10,001,059,141,770,402
  5. Step 5: Solve for x
    x = 10,001,059,141,770,402/115,148,514.36
  6. Step 6: Final answer
    x = 86,853,566.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.