Home / 61,151,630.40-91,727,445.60-49,672,504.80

Finding the Fourth Proportional to 61,151,630.40, 91,727,445.60 and 49,672,504.80

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Solution

The fourth proportional to 61,151,630.40, 91,727,445.60 and 49,672,504.80 is: 74,508,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,151,630.40 : 91,727,445.60 = 49,672,504.80 : x
  2. Step 2: Convert to fraction form
    61,151,630.40/91,727,445.60 = 49,672,504.80/x
  3. Step 3: Cross multiply
    61,151,630.40x = 91,727,445.60 × 49,672,504.80
  4. Step 4: Simplify right side
    61,151,630.40x = 4,556,331,981,857,738
  5. Step 5: Solve for x
    x = 4,556,331,981,857,738/61,151,630.40
  6. Step 6: Final answer
    x = 74,508,757.20

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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.