Home / 115,209,811.10-172,814,891.61-47,052,502.85

Finding the Fourth Proportional to 115,209,811.10, 172,814,891.61 and 47,052,502.85

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Solution

The fourth proportional to 115,209,811.10, 172,814,891.61 and 47,052,502.85 is: 70,578,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,209,811.10 : 172,814,891.61 = 47,052,502.85 : x
  2. Step 2: Convert to fraction form
    115,209,811.10/172,814,891.61 = 47,052,502.85/x
  3. Step 3: Cross multiply
    115,209,811.10x = 172,814,891.61 × 47,052,502.85
  4. Step 4: Simplify right side
    115,209,811.10x = 8,131,373,179,137,892
  5. Step 5: Solve for x
    x = 8,131,373,179,137,892/115,209,811.10
  6. Step 6: Final answer
    x = 70,578,825.73

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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.