Home / 40,890,147.60-61,252,552.80-25,490,168.40

Finding the Fourth Proportional to 40,890,147.60, 61,252,552.80 and 25,490,168.40

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Solution

The fourth proportional to 40,890,147.60, 61,252,552.80 and 25,490,168.40 is: 38,183,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,890,147.60 : 61,252,552.80 = 25,490,168.40 : x
  2. Step 2: Convert to fraction form
    40,890,147.60/61,252,552.80 = 25,490,168.40/x
  3. Step 3: Cross multiply
    40,890,147.60x = 61,252,552.80 × 25,490,168.40
  4. Step 4: Simplify right side
    40,890,147.60x = 1,561,337,885,801,891.25
  5. Step 5: Solve for x
    x = 1,561,337,885,801,891.25/40,890,147.60
  6. Step 6: Final answer
    x = 38,183,718.51

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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.