Home / 72,156,860.28-108,227,842.68-48,962,529.60

Finding the Fourth Proportional to 72,156,860.28, 108,227,842.68 and 48,962,529.60

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Solution

The fourth proportional to 72,156,860.28, 108,227,842.68 and 48,962,529.60 is: 73,438,740.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,156,860.28 : 108,227,842.68 = 48,962,529.60 : x
  2. Step 2: Convert to fraction form
    72,156,860.28/108,227,842.68 = 48,962,529.60/x
  3. Step 3: Cross multiply
    72,156,860.28x = 108,227,842.68 × 48,962,529.60
  4. Step 4: Simplify right side
    72,156,860.28x = 5,299,108,950,763,644
  5. Step 5: Solve for x
    x = 5,299,108,950,763,644/72,156,860.28
  6. Step 6: Final answer
    x = 73,438,740.69

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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.