Home / 84,687,678.36-127,042,015.14-24,108,128.28

Finding the Fourth Proportional to 84,687,678.36, 127,042,015.14 and 24,108,128.28

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Solution

The fourth proportional to 84,687,678.36, 127,042,015.14 and 24,108,128.28 is: 36,165,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,687,678.36 : 127,042,015.14 = 24,108,128.28 : x
  2. Step 2: Convert to fraction form
    84,687,678.36/127,042,015.14 = 24,108,128.28/x
  3. Step 3: Cross multiply
    84,687,678.36x = 127,042,015.14 × 24,108,128.28
  4. Step 4: Simplify right side
    84,687,678.36x = 3,062,745,197,944,822.50
  5. Step 5: Solve for x
    x = 3,062,745,197,944,822.50/84,687,678.36
  6. Step 6: Final answer
    x = 36,165,180.78

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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.