Home / 48,513,163.20-72,769,744.80-45,005,652.60

Finding the Fourth Proportional to 48,513,163.20, 72,769,744.80 and 45,005,652.60

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Solution

The fourth proportional to 48,513,163.20, 72,769,744.80 and 45,005,652.60 is: 67,508,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,513,163.20 : 72,769,744.80 = 45,005,652.60 : x
  2. Step 2: Convert to fraction form
    48,513,163.20/72,769,744.80 = 45,005,652.60/x
  3. Step 3: Cross multiply
    48,513,163.20x = 72,769,744.80 × 45,005,652.60
  4. Step 4: Simplify right side
    48,513,163.20x = 3,275,049,854,259,456.50
  5. Step 5: Solve for x
    x = 3,275,049,854,259,456.50/48,513,163.20
  6. Step 6: Final answer
    x = 67,508,478.90

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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.