Home / 545,448,046.92-818,172,077.22-130,924,867.20

Finding the Fourth Proportional to 545,448,046.92, 818,172,077.22 and 130,924,867.20

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Solution

The fourth proportional to 545,448,046.92, 818,172,077.22 and 130,924,867.20 is: 196,387,302.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,448,046.92 : 818,172,077.22 = 130,924,867.20 : x
  2. Step 2: Convert to fraction form
    545,448,046.92/818,172,077.22 = 130,924,867.20/x
  3. Step 3: Cross multiply
    545,448,046.92x = 818,172,077.22 × 130,924,867.20
  4. Step 4: Simplify right side
    545,448,046.92x = 107,119,070,556,776,656
  5. Step 5: Solve for x
    x = 107,119,070,556,776,656/545,448,046.92
  6. Step 6: Final answer
    x = 196,387,302.44

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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.