Home / 72,070,141.14-108,105,211.71-18,217,453.14

Finding the Fourth Proportional to 72,070,141.14, 108,105,211.71 and 18,217,453.14

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Solution

The fourth proportional to 72,070,141.14, 108,105,211.71 and 18,217,453.14 is: 27,326,179.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,070,141.14 : 108,105,211.71 = 18,217,453.14 : x
  2. Step 2: Convert to fraction form
    72,070,141.14/108,105,211.71 = 18,217,453.14/x
  3. Step 3: Cross multiply
    72,070,141.14x = 108,105,211.71 × 18,217,453.14
  4. Step 4: Simplify right side
    72,070,141.14x = 1,969,401,628,516,704.25
  5. Step 5: Solve for x
    x = 1,969,401,628,516,704.25/72,070,141.14
  6. Step 6: Final answer
    x = 27,326,179.71

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Double scale
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Similar ratio
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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.