Home / 115,990,127.10-173,985,190.65-100,206,329.40

Finding the Fourth Proportional to 115,990,127.10, 173,985,190.65 and 100,206,329.40

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Solution

The fourth proportional to 115,990,127.10, 173,985,190.65 and 100,206,329.40 is: 150,309,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,990,127.10 : 173,985,190.65 = 100,206,329.40 : x
  2. Step 2: Convert to fraction form
    115,990,127.10/173,985,190.65 = 100,206,329.40/x
  3. Step 3: Cross multiply
    115,990,127.10x = 173,985,190.65 × 100,206,329.40
  4. Step 4: Simplify right side
    115,990,127.10x = 17,434,417,324,995,702
  5. Step 5: Solve for x
    x = 17,434,417,324,995,702/115,990,127.10
  6. Step 6: Final answer
    x = 150,309,494.10

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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.