Home / 80,248,652.74-120,335,033.47-31,087,531.78

Finding the Fourth Proportional to 80,248,652.74, 120,335,033.47 and 31,087,531.78

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Solution

The fourth proportional to 80,248,652.74, 120,335,033.47 and 31,087,531.78 is: 46,616,597.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,248,652.74 : 120,335,033.47 = 31,087,531.78 : x
  2. Step 2: Convert to fraction form
    80,248,652.74/120,335,033.47 = 31,087,531.78/x
  3. Step 3: Cross multiply
    80,248,652.74x = 120,335,033.47 × 31,087,531.78
  4. Step 4: Simplify right side
    80,248,652.74x = 3,740,919,177,245,989
  5. Step 5: Solve for x
    x = 3,740,919,177,245,989/80,248,652.74
  6. Step 6: Final answer
    x = 46,616,597.91

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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.