Home / 87,799,360.69-131,655,945.39-43,432,384.69

Finding the Fourth Proportional to 87,799,360.69, 131,655,945.39 and 43,432,384.69

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Solution

The fourth proportional to 87,799,360.69, 131,655,945.39 and 43,432,384.69 is: 65,127,258.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,799,360.69 : 131,655,945.39 = 43,432,384.69 : x
  2. Step 2: Convert to fraction form
    87,799,360.69/131,655,945.39 = 43,432,384.69/x
  3. Step 3: Cross multiply
    87,799,360.69x = 131,655,945.39 × 43,432,384.69
  4. Step 4: Simplify right side
    87,799,360.69x = 5,718,131,666,904,112
  5. Step 5: Solve for x
    x = 5,718,131,666,904,112/87,799,360.69
  6. Step 6: Final answer
    x = 65,127,258.58

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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.