Home / 171,387,399.19-257,000,056.29-66,391,917.10

Finding the Fourth Proportional to 171,387,399.19, 257,000,056.29 and 66,391,917.10

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Solution

The fourth proportional to 171,387,399.19, 257,000,056.29 and 66,391,917.10 is: 99,556,481.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,387,399.19 : 257,000,056.29 = 66,391,917.10 : x
  2. Step 2: Convert to fraction form
    171,387,399.19/257,000,056.29 = 66,391,917.10/x
  3. Step 3: Cross multiply
    171,387,399.19x = 257,000,056.29 × 66,391,917.10
  4. Step 4: Simplify right side
    171,387,399.19x = 17,062,726,431,258,512
  5. Step 5: Solve for x
    x = 17,062,726,431,258,512/171,387,399.19
  6. Step 6: Final answer
    x = 99,556,481.47

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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.