Home / 231,278,888.28-319,236,333.72-148,772,673.03

Finding the Fourth Proportional to 231,278,888.28, 319,236,333.72 and 148,772,673.03

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Solution

The fourth proportional to 231,278,888.28, 319,236,333.72 and 148,772,673.03 is: 205,352,261.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,278,888.28 : 319,236,333.72 = 148,772,673.03 : x
  2. Step 2: Convert to fraction form
    231,278,888.28/319,236,333.72 = 148,772,673.03/x
  3. Step 3: Cross multiply
    231,278,888.28x = 319,236,333.72 × 148,772,673.03
  4. Step 4: Simplify right side
    231,278,888.28x = 47,493,642,695,821,528
  5. Step 5: Solve for x
    x = 47,493,642,695,821,528/231,278,888.28
  6. Step 6: Final answer
    x = 205,352,261.29

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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.