Home / 57,468,718.80-86,203,078.20-40,250,030.40

Finding the Fourth Proportional to 57,468,718.80, 86,203,078.20 and 40,250,030.40

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Solution

The fourth proportional to 57,468,718.80, 86,203,078.20 and 40,250,030.40 is: 60,375,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,468,718.80 : 86,203,078.20 = 40,250,030.40 : x
  2. Step 2: Convert to fraction form
    57,468,718.80/86,203,078.20 = 40,250,030.40/x
  3. Step 3: Cross multiply
    57,468,718.80x = 86,203,078.20 × 40,250,030.40
  4. Step 4: Simplify right side
    57,468,718.80x = 3,469,676,518,123,577.50
  5. Step 5: Solve for x
    x = 3,469,676,518,123,577.50/57,468,718.80
  6. Step 6: Final answer
    x = 60,375,045.60

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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.