Home / 231,835,948.28-319,941,281.28-127,417,720.76

Finding the Fourth Proportional to 231,835,948.28, 319,941,281.28 and 127,417,720.76

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Solution

The fourth proportional to 231,835,948.28, 319,941,281.28 and 127,417,720.76 is: 175,840,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,835,948.28 : 319,941,281.28 = 127,417,720.76 : x
  2. Step 2: Convert to fraction form
    231,835,948.28/319,941,281.28 = 127,417,720.76/x
  3. Step 3: Cross multiply
    231,835,948.28x = 319,941,281.28 × 127,417,720.76
  4. Step 4: Simplify right side
    231,835,948.28x = 40,766,188,837,731,656
  5. Step 5: Solve for x
    x = 40,766,188,837,731,656/231,835,948.28
  6. Step 6: Final answer
    x = 175,840,671.56

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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.