Home / 208,861,219.44-288,165,627-125,198,824.24

Finding the Fourth Proportional to 208,861,219.44, 288,165,627 and 125,198,824.24

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Solution

The fourth proportional to 208,861,219.44, 288,165,627 and 125,198,824.24 is: 172,736,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,861,219.44 : 288,165,627 = 125,198,824.24 : x
  2. Step 2: Convert to fraction form
    208,861,219.44/288,165,627 = 125,198,824.24/x
  3. Step 3: Cross multiply
    208,861,219.44x = 288,165,627 × 125,198,824.24
  4. Step 4: Simplify right side
    208,861,219.44x = 36,077,997,686,782,400
  5. Step 5: Solve for x
    x = 36,077,997,686,782,400/208,861,219.44
  6. Step 6: Final answer
    x = 172,736,699.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.