Home / 40,775,609.40-61,163,414.10-39,207,967.80

Finding the Fourth Proportional to 40,775,609.40, 61,163,414.10 and 39,207,967.80

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Solution

The fourth proportional to 40,775,609.40, 61,163,414.10 and 39,207,967.80 is: 58,811,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,775,609.40 : 61,163,414.10 = 39,207,967.80 : x
  2. Step 2: Convert to fraction form
    40,775,609.40/61,163,414.10 = 39,207,967.80/x
  3. Step 3: Cross multiply
    40,775,609.40x = 61,163,414.10 × 39,207,967.80
  4. Step 4: Simplify right side
    40,775,609.40x = 2,398,093,170,570,866
  5. Step 5: Solve for x
    x = 2,398,093,170,570,866/40,775,609.40
  6. Step 6: Final answer
    x = 58,811,951.70

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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.