Home / 55,143,602.70-82,715,404.05-30,957,132.30

Finding the Fourth Proportional to 55,143,602.70, 82,715,404.05 and 30,957,132.30

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Solution

The fourth proportional to 55,143,602.70, 82,715,404.05 and 30,957,132.30 is: 46,435,698.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143,602.70 : 82,715,404.05 = 30,957,132.30 : x
  2. Step 2: Convert to fraction form
    55,143,602.70/82,715,404.05 = 30,957,132.30/x
  3. Step 3: Cross multiply
    55,143,602.70x = 82,715,404.05 × 30,957,132.30
  4. Step 4: Simplify right side
    55,143,602.70x = 2,560,631,706,423,806
  5. Step 5: Solve for x
    x = 2,560,631,706,423,806/55,143,602.70
  6. Step 6: Final answer
    x = 46,435,698.45

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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.