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Finding the Fourth Proportional to 273,213,758.69, 377,037,978.42 and 149,454,437.03

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Solution

The fourth proportional to 273,213,758.69, 377,037,978.42 and 149,454,437.03 is: 206,248,759.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,213,758.69 : 377,037,978.42 = 149,454,437.03 : x
  2. Step 2: Convert to fraction form
    273,213,758.69/377,037,978.42 = 149,454,437.03/x
  3. Step 3: Cross multiply
    273,213,758.69x = 377,037,978.42 × 149,454,437.03
  4. Step 4: Simplify right side
    273,213,758.69x = 56,349,998,801,805,200
  5. Step 5: Solve for x
    x = 56,349,998,801,805,200/273,213,758.69
  6. Step 6: Final answer
    x = 206,248,759.48

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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.