Home / 80,341,552.68-120,508,786-25,756,878.48

Finding the Fourth Proportional to 80,341,552.68, 120,508,786 and 25,756,878.48

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Solution

The fourth proportional to 80,341,552.68, 120,508,786 and 25,756,878.48 is: 38,634,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,341,552.68 : 120,508,786 = 25,756,878.48 : x
  2. Step 2: Convert to fraction form
    80,341,552.68/120,508,786 = 25,756,878.48/x
  3. Step 3: Cross multiply
    80,341,552.68x = 120,508,786 × 25,756,878.48
  4. Step 4: Simplify right side
    80,341,552.68x = 3,103,930,156,774,325.50
  5. Step 5: Solve for x
    x = 3,103,930,156,774,325.50/80,341,552.68
  6. Step 6: Final answer
    x = 38,634,181.86

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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.