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Finding the Fourth Proportional to 201,259,245.60, 301,888,868.40 and 181,888,221.15

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Solution

The fourth proportional to 201,259,245.60, 301,888,868.40 and 181,888,221.15 is: 272,832,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,259,245.60 : 301,888,868.40 = 181,888,221.15 : x
  2. Step 2: Convert to fraction form
    201,259,245.60/301,888,868.40 = 181,888,221.15/x
  3. Step 3: Cross multiply
    201,259,245.60x = 301,888,868.40 × 181,888,221.15
  4. Step 4: Simplify right side
    201,259,245.60x = 54,910,029,258,262,448
  5. Step 5: Solve for x
    x = 54,910,029,258,262,448/201,259,245.60
  6. Step 6: Final answer
    x = 272,832,331.73

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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.