Home / 61,236,007.20-91,854,010.80-55,000,432.80

Finding the Fourth Proportional to 61,236,007.20, 91,854,010.80 and 55,000,432.80

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Solution

The fourth proportional to 61,236,007.20, 91,854,010.80 and 55,000,432.80 is: 82,500,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,236,007.20 : 91,854,010.80 = 55,000,432.80 : x
  2. Step 2: Convert to fraction form
    61,236,007.20/91,854,010.80 = 55,000,432.80/x
  3. Step 3: Cross multiply
    61,236,007.20x = 91,854,010.80 × 55,000,432.80
  4. Step 4: Simplify right side
    61,236,007.20x = 5,052,010,348,415,874
  5. Step 5: Solve for x
    x = 5,052,010,348,415,874/61,236,007.20
  6. Step 6: Final answer
    x = 82,500,649.20

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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.