Home / 143,448,650.85-215,172,969.08-136,478,805.57

Finding the Fourth Proportional to 143,448,650.85, 215,172,969.08 and 136,478,805.57

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Solution

The fourth proportional to 143,448,650.85, 215,172,969.08 and 136,478,805.57 is: 204,718,201.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,448,650.85 : 215,172,969.08 = 136,478,805.57 : x
  2. Step 2: Convert to fraction form
    143,448,650.85/215,172,969.08 = 136,478,805.57/x
  3. Step 3: Cross multiply
    143,448,650.85x = 215,172,969.08 × 136,478,805.57
  4. Step 4: Simplify right side
    143,448,650.85x = 29,366,549,810,306,544
  5. Step 5: Solve for x
    x = 29,366,549,810,306,544/143,448,650.85
  6. Step 6: Final answer
    x = 204,718,201.50

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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.