Home / 71,100,354.52-98,091,448.20-52,560,009.78

Finding the Fourth Proportional to 71,100,354.52, 98,091,448.20 and 52,560,009.78

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Solution

The fourth proportional to 71,100,354.52, 98,091,448.20 and 52,560,009.78 is: 72,512,823.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,100,354.52 : 98,091,448.20 = 52,560,009.78 : x
  2. Step 2: Convert to fraction form
    71,100,354.52/98,091,448.20 = 52,560,009.78/x
  3. Step 3: Cross multiply
    71,100,354.52x = 98,091,448.20 × 52,560,009.78
  4. Step 4: Simplify right side
    71,100,354.52x = 5,155,687,476,726,364
  5. Step 5: Solve for x
    x = 5,155,687,476,726,364/71,100,354.52
  6. Step 6: Final answer
    x = 72,512,823.76

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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.