Home / 80,341,551.68-120,508,784.51-25,756,877.48

Finding the Fourth Proportional to 80,341,551.68, 120,508,784.51 and 25,756,877.48

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Solution

The fourth proportional to 80,341,551.68, 120,508,784.51 and 25,756,877.48 is: 38,634,180.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,341,551.68 : 120,508,784.51 = 25,756,877.48 : x
  2. Step 2: Convert to fraction form
    80,341,551.68/120,508,784.51 = 25,756,877.48/x
  3. Step 3: Cross multiply
    80,341,551.68x = 120,508,784.51 × 25,756,877.48
  4. Step 4: Simplify right side
    80,341,551.68x = 3,103,929,997,156,463.50
  5. Step 5: Solve for x
    x = 3,103,929,997,156,463.50/80,341,551.68
  6. Step 6: Final answer
    x = 38,634,180.35

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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.