Home / 215,438,775.14-323,636,459.67-133,618,118.90

Finding the Fourth Proportional to 215,438,775.14, 323,636,459.67 and 133,618,118.90

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Solution

The fourth proportional to 215,438,775.14, 323,636,459.67 and 133,618,118.90 is: 200,723,824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,438,775.14 : 323,636,459.67 = 133,618,118.90 : x
  2. Step 2: Convert to fraction form
    215,438,775.14/323,636,459.67 = 133,618,118.90/x
  3. Step 3: Cross multiply
    215,438,775.14x = 323,636,459.67 × 133,618,118.90
  4. Step 4: Simplify right side
    215,438,775.14x = 43,243,694,948,561,120
  5. Step 5: Solve for x
    x = 43,243,694,948,561,120/215,438,775.14
  6. Step 6: Final answer
    x = 200,723,824.76

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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.