Home / 351,452,807.56-527,173,343.16-85,561,323.58

Finding the Fourth Proportional to 351,452,807.56, 527,173,343.16 and 85,561,323.58

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Solution

The fourth proportional to 351,452,807.56, 527,173,343.16 and 85,561,323.58 is: 128,340,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,452,807.56 : 527,173,343.16 = 85,561,323.58 : x
  2. Step 2: Convert to fraction form
    351,452,807.56/527,173,343.16 = 85,561,323.58/x
  3. Step 3: Cross multiply
    351,452,807.56x = 527,173,343.16 × 85,561,323.58
  4. Step 4: Simplify right side
    351,452,807.56x = 45,105,648,996,863,144
  5. Step 5: Solve for x
    x = 45,105,648,996,863,144/351,452,807.56
  6. Step 6: Final answer
    x = 128,340,556.76

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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.