Home / 231,255,679.64-319,103,417.48-132,142,851.68

Finding the Fourth Proportional to 231,255,679.64, 319,103,417.48 and 132,142,851.68

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Solution

The fourth proportional to 231,255,679.64, 319,103,417.48 and 132,142,851.68 is: 182,340,324.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,255,679.64 : 319,103,417.48 = 132,142,851.68 : x
  2. Step 2: Convert to fraction form
    231,255,679.64/319,103,417.48 = 132,142,851.68/x
  3. Step 3: Cross multiply
    231,255,679.64x = 319,103,417.48 × 132,142,851.68
  4. Step 4: Simplify right side
    231,255,679.64x = 42,167,235,564,384,528
  5. Step 5: Solve for x
    x = 42,167,235,564,384,528/231,255,679.64
  6. Step 6: Final answer
    x = 182,340,324.06

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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.