Home / 143,712,014.10-215,568,021.15-52,823,793.30

Finding the Fourth Proportional to 143,712,014.10, 215,568,021.15 and 52,823,793.30

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Solution

The fourth proportional to 143,712,014.10, 215,568,021.15 and 52,823,793.30 is: 79,235,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,712,014.10 : 215,568,021.15 = 52,823,793.30 : x
  2. Step 2: Convert to fraction form
    143,712,014.10/215,568,021.15 = 52,823,793.30/x
  3. Step 3: Cross multiply
    143,712,014.10x = 215,568,021.15 × 52,823,793.30
  4. Step 4: Simplify right side
    143,712,014.10x = 11,387,120,591,317,628
  5. Step 5: Solve for x
    x = 11,387,120,591,317,628/143,712,014.10
  6. Step 6: Final answer
    x = 79,235,689.95

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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.