Home / 97,719,029.60-134,904,615.32-75,343,144.92

Finding the Fourth Proportional to 97,719,029.60, 134,904,615.32 and 75,343,144.92

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Solution

The fourth proportional to 97,719,029.60, 134,904,615.32 and 75,343,144.92 is: 104,013,906.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,719,029.60 : 134,904,615.32 = 75,343,144.92 : x
  2. Step 2: Convert to fraction form
    97,719,029.60/134,904,615.32 = 75,343,144.92/x
  3. Step 3: Cross multiply
    97,719,029.60x = 134,904,615.32 × 75,343,144.92
  4. Step 4: Simplify right side
    97,719,029.60x = 10,164,137,982,431,612
  5. Step 5: Solve for x
    x = 10,164,137,982,431,612/97,719,029.60
  6. Step 6: Final answer
    x = 104,013,906.24

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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.