Home / 79,949,141.64-119,923,697.34-43,588,108.80

Finding the Fourth Proportional to 79,949,141.64, 119,923,697.34 and 43,588,108.80

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Solution

The fourth proportional to 79,949,141.64, 119,923,697.34 and 43,588,108.80 is: 65,382,154.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,949,141.64 : 119,923,697.34 = 43,588,108.80 : x
  2. Step 2: Convert to fraction form
    79,949,141.64/119,923,697.34 = 43,588,108.80/x
  3. Step 3: Cross multiply
    79,949,141.64x = 119,923,697.34 × 43,588,108.80
  4. Step 4: Simplify right side
    79,949,141.64x = 5,227,247,167,354,190
  5. Step 5: Solve for x
    x = 5,227,247,167,354,190/79,949,141.64
  6. Step 6: Final answer
    x = 65,382,154.96

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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.