Home / 91,034,439.40-136,551,659.10-90,396,710.20

Finding the Fourth Proportional to 91,034,439.40, 136,551,659.10 and 90,396,710.20

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Solution

The fourth proportional to 91,034,439.40, 136,551,659.10 and 90,396,710.20 is: 135,595,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,034,439.40 : 136,551,659.10 = 90,396,710.20 : x
  2. Step 2: Convert to fraction form
    91,034,439.40/136,551,659.10 = 90,396,710.20/x
  3. Step 3: Cross multiply
    91,034,439.40x = 136,551,659.10 × 90,396,710.20
  4. Step 4: Simplify right side
    91,034,439.40x = 12,343,820,754,991,892
  5. Step 5: Solve for x
    x = 12,343,820,754,991,892/91,034,439.40
  6. Step 6: Final answer
    x = 135,595,065.30

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Similar ratio
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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.