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Finding the Fourth Proportional to 299,041,258.67, 448,561,888.01 and 80,691,250.43

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Solution

The fourth proportional to 299,041,258.67, 448,561,888.01 and 80,691,250.43 is: 121,036,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,041,258.67 : 448,561,888.01 = 80,691,250.43 : x
  2. Step 2: Convert to fraction form
    299,041,258.67/448,561,888.01 = 80,691,250.43/x
  3. Step 3: Cross multiply
    299,041,258.67x = 448,561,888.01 × 80,691,250.43
  4. Step 4: Simplify right side
    299,041,258.67x = 36,195,019,640,077,328
  5. Step 5: Solve for x
    x = 36,195,019,640,077,328/299,041,258.67
  6. Step 6: Final answer
    x = 121,036,875.65

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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.