Home / 138,133,246.40-207,274,519.20-61,468,107.20

Finding the Fourth Proportional to 138,133,246.40, 207,274,519.20 and 61,468,107.20

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Solution

The fourth proportional to 138,133,246.40, 207,274,519.20 and 61,468,107.20 is: 92,235,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,133,246.40 : 207,274,519.20 = 61,468,107.20 : x
  2. Step 2: Convert to fraction form
    138,133,246.40/207,274,519.20 = 61,468,107.20/x
  3. Step 3: Cross multiply
    138,133,246.40x = 207,274,519.20 × 61,468,107.20
  4. Step 4: Simplify right side
    138,133,246.40x = 12,740,772,366,014,058
  5. Step 5: Solve for x
    x = 12,740,772,366,014,058/138,133,246.40
  6. Step 6: Final answer
    x = 92,235,379.23

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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.