Home / 230,935,792.68-318,691,367.46-138,116,285.64

Finding the Fourth Proportional to 230,935,792.68, 318,691,367.46 and 138,116,285.64

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Solution

The fourth proportional to 230,935,792.68, 318,691,367.46 and 138,116,285.64 is: 190,600,458.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,935,792.68 : 318,691,367.46 = 138,116,285.64 : x
  2. Step 2: Convert to fraction form
    230,935,792.68/318,691,367.46 = 138,116,285.64/x
  3. Step 3: Cross multiply
    230,935,792.68x = 318,691,367.46 × 138,116,285.64
  4. Step 4: Simplify right side
    230,935,792.68x = 44,016,467,939,107,552
  5. Step 5: Solve for x
    x = 44,016,467,939,107,552/230,935,792.68
  6. Step 6: Final answer
    x = 190,600,458.37

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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.