Home / 82,615,204.60-123,941,469.30-48,518,999.80

Finding the Fourth Proportional to 82,615,204.60, 123,941,469.30 and 48,518,999.80

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Solution

The fourth proportional to 82,615,204.60, 123,941,469.30 and 48,518,999.80 is: 72,789,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,615,204.60 : 123,941,469.30 = 48,518,999.80 : x
  2. Step 2: Convert to fraction form
    82,615,204.60/123,941,469.30 = 48,518,999.80/x
  3. Step 3: Cross multiply
    82,615,204.60x = 123,941,469.30 × 48,518,999.80
  4. Step 4: Simplify right side
    82,615,204.60x = 6,013,516,124,178,406
  5. Step 5: Solve for x
    x = 6,013,516,124,178,406/82,615,204.60
  6. Step 6: Final answer
    x = 72,789,459.92

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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.