Home / 41,187,926.80-61,781,890.20-31,651,440.40

Finding the Fourth Proportional to 41,187,926.80, 61,781,890.20 and 31,651,440.40

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Solution

The fourth proportional to 41,187,926.80, 61,781,890.20 and 31,651,440.40 is: 47,477,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,187,926.80 : 61,781,890.20 = 31,651,440.40 : x
  2. Step 2: Convert to fraction form
    41,187,926.80/61,781,890.20 = 31,651,440.40/x
  3. Step 3: Cross multiply
    41,187,926.80x = 61,781,890.20 × 31,651,440.40
  4. Step 4: Simplify right side
    41,187,926.80x = 1,955,485,815,464,644
  5. Step 5: Solve for x
    x = 1,955,485,815,464,644/41,187,926.80
  6. Step 6: Final answer
    x = 47,477,160.60

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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.