Home / 52,992,128.80-79,488,193.20-39,555,200.80

Finding the Fourth Proportional to 52,992,128.80, 79,488,193.20 and 39,555,200.80

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Solution

The fourth proportional to 52,992,128.80, 79,488,193.20 and 39,555,200.80 is: 59,332,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,992,128.80 : 79,488,193.20 = 39,555,200.80 : x
  2. Step 2: Convert to fraction form
    52,992,128.80/79,488,193.20 = 39,555,200.80/x
  3. Step 3: Cross multiply
    52,992,128.80x = 79,488,193.20 × 39,555,200.80
  4. Step 4: Simplify right side
    52,992,128.80x = 3,144,171,443,255,194.50
  5. Step 5: Solve for x
    x = 3,144,171,443,255,194.50/52,992,128.80
  6. Step 6: Final answer
    x = 59,332,801.20

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Double scale
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Similar ratio
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1.5x scale

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.