Home / 178,308,002.60-267,462,003.90-115,890,257.15

Finding the Fourth Proportional to 178,308,002.60, 267,462,003.90 and 115,890,257.15

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Solution

The fourth proportional to 178,308,002.60, 267,462,003.90 and 115,890,257.15 is: 173,835,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,308,002.60 : 267,462,003.90 = 115,890,257.15 : x
  2. Step 2: Convert to fraction form
    178,308,002.60/267,462,003.90 = 115,890,257.15/x
  3. Step 3: Cross multiply
    178,308,002.60x = 267,462,003.90 × 115,890,257.15
  4. Step 4: Simplify right side
    178,308,002.60x = 30,996,240,409,825,304
  5. Step 5: Solve for x
    x = 30,996,240,409,825,304/178,308,002.60
  6. Step 6: Final answer
    x = 173,835,385.73

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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.