Home / 102,988,740.41-142,124,519.17-56,581,983.69

Finding the Fourth Proportional to 102,988,740.41, 142,124,519.17 and 56,581,983.69

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Solution

The fourth proportional to 102,988,740.41, 142,124,519.17 and 56,581,983.69 is: 78,083,169.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,988,740.41 : 142,124,519.17 = 56,581,983.69 : x
  2. Step 2: Convert to fraction form
    102,988,740.41/142,124,519.17 = 56,581,983.69/x
  3. Step 3: Cross multiply
    102,988,740.41x = 142,124,519.17 × 56,581,983.69
  4. Step 4: Simplify right side
    102,988,740.41x = 8,041,687,225,626,031
  5. Step 5: Solve for x
    x = 8,041,687,225,626,031/102,988,740.41
  6. Step 6: Final answer
    x = 78,083,169.03

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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.