Home / 273,191,679.61-377,005,645.94-147,743,872.80

Finding the Fourth Proportional to 273,191,679.61, 377,005,645.94 and 147,743,872.80

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Solution

The fourth proportional to 273,191,679.61, 377,005,645.94 and 147,743,872.80 is: 203,887,154.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,191,679.61 : 377,005,645.94 = 147,743,872.80 : x
  2. Step 2: Convert to fraction form
    273,191,679.61/377,005,645.94 = 147,743,872.80/x
  3. Step 3: Cross multiply
    273,191,679.61x = 377,005,645.94 × 147,743,872.80
  4. Step 4: Simplify right side
    273,191,679.61x = 55,700,274,197,125,520
  5. Step 5: Solve for x
    x = 55,700,274,197,125,520/273,191,679.61
  6. Step 6: Final answer
    x = 203,887,154.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.