Home / 231,716,788.76-319,772,443.74-127,304,509.88

Finding the Fourth Proportional to 231,716,788.76, 319,772,443.74 and 127,304,509.88

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Solution

The fourth proportional to 231,716,788.76, 319,772,443.74 and 127,304,509.88 is: 175,682,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,716,788.76 : 319,772,443.74 = 127,304,509.88 : x
  2. Step 2: Convert to fraction form
    231,716,788.76/319,772,443.74 = 127,304,509.88/x
  3. Step 3: Cross multiply
    231,716,788.76x = 319,772,443.74 × 127,304,509.88
  4. Step 4: Simplify right side
    231,716,788.76x = 40,708,474,223,450,576
  5. Step 5: Solve for x
    x = 40,708,474,223,450,576/231,716,788.76
  6. Step 6: Final answer
    x = 175,682,023.05

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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.