Home / 108,640,145.40-162,960,218.10-51,244,517.40

Finding the Fourth Proportional to 108,640,145.40, 162,960,218.10 and 51,244,517.40

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Solution

The fourth proportional to 108,640,145.40, 162,960,218.10 and 51,244,517.40 is: 76,866,776.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,640,145.40 : 162,960,218.10 = 51,244,517.40 : x
  2. Step 2: Convert to fraction form
    108,640,145.40/162,960,218.10 = 51,244,517.40/x
  3. Step 3: Cross multiply
    108,640,145.40x = 162,960,218.10 × 51,244,517.40
  4. Step 4: Simplify right side
    108,640,145.40x = 8,350,817,731,933,244
  5. Step 5: Solve for x
    x = 8,350,817,731,933,244/108,640,145.40
  6. Step 6: Final answer
    x = 76,866,776.10

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1.5x scale

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.