Home / 115,021,442.34-158,729,452.20-67,995,464.58

Finding the Fourth Proportional to 115,021,442.34, 158,729,452.20 and 67,995,464.58

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Solution

The fourth proportional to 115,021,442.34, 158,729,452.20 and 67,995,464.58 is: 93,833,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,021,442.34 : 158,729,452.20 = 67,995,464.58 : x
  2. Step 2: Convert to fraction form
    115,021,442.34/158,729,452.20 = 67,995,464.58/x
  3. Step 3: Cross multiply
    115,021,442.34x = 158,729,452.20 × 67,995,464.58
  4. Step 4: Simplify right side
    115,021,442.34x = 10,792,882,844,867,902
  5. Step 5: Solve for x
    x = 10,792,882,844,867,902/115,021,442.34
  6. Step 6: Final answer
    x = 93,833,659.41

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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.