Home / 56,165,086.80-84,247,630.20-45,961,419.60

Finding the Fourth Proportional to 56,165,086.80, 84,247,630.20 and 45,961,419.60

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Solution

The fourth proportional to 56,165,086.80, 84,247,630.20 and 45,961,419.60 is: 68,942,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,165,086.80 : 84,247,630.20 = 45,961,419.60 : x
  2. Step 2: Convert to fraction form
    56,165,086.80/84,247,630.20 = 45,961,419.60/x
  3. Step 3: Cross multiply
    56,165,086.80x = 84,247,630.20 × 45,961,419.60
  4. Step 4: Simplify right side
    56,165,086.80x = 3,872,140,681,927,832
  5. Step 5: Solve for x
    x = 3,872,140,681,927,832/56,165,086.80
  6. Step 6: Final answer
    x = 68,942,129.40

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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.