Home / 73,201,042.47-101,018,469.30-40,160,691.20

Finding the Fourth Proportional to 73,201,042.47, 101,018,469.30 and 40,160,691.20

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Solution

The fourth proportional to 73,201,042.47, 101,018,469.30 and 40,160,691.20 is: 55,422,319.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,201,042.47 : 101,018,469.30 = 40,160,691.20 : x
  2. Step 2: Convert to fraction form
    73,201,042.47/101,018,469.30 = 40,160,691.20/x
  3. Step 3: Cross multiply
    73,201,042.47x = 101,018,469.30 × 40,160,691.20
  4. Step 4: Simplify right side
    73,201,042.47x = 4,056,971,551,155,924
  5. Step 5: Solve for x
    x = 4,056,971,551,155,924/73,201,042.47
  6. Step 6: Final answer
    x = 55,422,319.33

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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.