Home / 40,788,109.20-61,253,022.60-21,656,233.20

Finding the Fourth Proportional to 40,788,109.20, 61,253,022.60 and 21,656,233.20

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Solution

The fourth proportional to 40,788,109.20, 61,253,022.60 and 21,656,233.20 is: 32,521,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,788,109.20 : 61,253,022.60 = 21,656,233.20 : x
  2. Step 2: Convert to fraction form
    40,788,109.20/61,253,022.60 = 21,656,233.20/x
  3. Step 3: Cross multiply
    40,788,109.20x = 61,253,022.60 × 21,656,233.20
  4. Step 4: Simplify right side
    40,788,109.20x = 1,326,509,741,630,470.25
  5. Step 5: Solve for x
    x = 1,326,509,741,630,470.25/40,788,109.20
  6. Step 6: Final answer
    x = 32,521,971.91

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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.