Home / 113,349,791.36-156,394,957.20-63,780,500

Finding the Fourth Proportional to 113,349,791.36, 156,394,957.20 and 63,780,500

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Solution

The fourth proportional to 113,349,791.36, 156,394,957.20 and 63,780,500 is: 88,001,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,349,791.36 : 156,394,957.20 = 63,780,500 : x
  2. Step 2: Convert to fraction form
    113,349,791.36/156,394,957.20 = 63,780,500/x
  3. Step 3: Cross multiply
    113,349,791.36x = 156,394,957.20 × 63,780,500
  4. Step 4: Simplify right side
    113,349,791.36x = 9,974,948,567,694,600
  5. Step 5: Solve for x
    x = 9,974,948,567,694,600/113,349,791.36
  6. Step 6: Final answer
    x = 88,001,472.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.