Home / 82,794,962.40-124,192,443.60-28,269,115.80

Finding the Fourth Proportional to 82,794,962.40, 124,192,443.60 and 28,269,115.80

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Solution

The fourth proportional to 82,794,962.40, 124,192,443.60 and 28,269,115.80 is: 42,403,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,794,962.40 : 124,192,443.60 = 28,269,115.80 : x
  2. Step 2: Convert to fraction form
    82,794,962.40/124,192,443.60 = 28,269,115.80/x
  3. Step 3: Cross multiply
    82,794,962.40x = 124,192,443.60 × 28,269,115.80
  4. Step 4: Simplify right side
    82,794,962.40x = 3,510,810,569,613,369
  5. Step 5: Solve for x
    x = 3,510,810,569,613,369/82,794,962.40
  6. Step 6: Final answer
    x = 42,403,673.70

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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.