Home / 82,944,086.40-124,416,129.60-52,686,115.20

Finding the Fourth Proportional to 82,944,086.40, 124,416,129.60 and 52,686,115.20

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Solution

The fourth proportional to 82,944,086.40, 124,416,129.60 and 52,686,115.20 is: 79,029,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,086.40 : 124,416,129.60 = 52,686,115.20 : x
  2. Step 2: Convert to fraction form
    82,944,086.40/124,416,129.60 = 52,686,115.20/x
  3. Step 3: Cross multiply
    82,944,086.40x = 124,416,129.60 × 52,686,115.20
  4. Step 4: Simplify right side
    82,944,086.40x = 6,555,002,536,843,730
  5. Step 5: Solve for x
    x = 6,555,002,536,843,730/82,944,086.40
  6. Step 6: Final answer
    x = 79,029,172.80

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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.