Home / 136,526,182.80-204,789,274.20-90,609,680.40

Finding the Fourth Proportional to 136,526,182.80, 204,789,274.20 and 90,609,680.40

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Solution

The fourth proportional to 136,526,182.80, 204,789,274.20 and 90,609,680.40 is: 135,914,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,526,182.80 : 204,789,274.20 = 90,609,680.40 : x
  2. Step 2: Convert to fraction form
    136,526,182.80/204,789,274.20 = 90,609,680.40/x
  3. Step 3: Cross multiply
    136,526,182.80x = 204,789,274.20 × 90,609,680.40
  4. Step 4: Simplify right side
    136,526,182.80x = 18,555,890,684,609,964
  5. Step 5: Solve for x
    x = 18,555,890,684,609,964/136,526,182.80
  6. Step 6: Final answer
    x = 135,914,520.60

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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.