Home / 137,767,246.80-206,650,870.20-115,260,392.40

Finding the Fourth Proportional to 137,767,246.80, 206,650,870.20 and 115,260,392.40

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Solution

The fourth proportional to 137,767,246.80, 206,650,870.20 and 115,260,392.40 is: 172,890,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,767,246.80 : 206,650,870.20 = 115,260,392.40 : x
  2. Step 2: Convert to fraction form
    137,767,246.80/206,650,870.20 = 115,260,392.40/x
  3. Step 3: Cross multiply
    137,767,246.80x = 206,650,870.20 × 115,260,392.40
  4. Step 4: Simplify right side
    137,767,246.80x = 23,818,660,389,053,468
  5. Step 5: Solve for x
    x = 23,818,660,389,053,468/137,767,246.80
  6. Step 6: Final answer
    x = 172,890,588.60

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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.