Home / 266,278,842.72-367,465,300.80-148,804,173.09

Finding the Fourth Proportional to 266,278,842.72, 367,465,300.80 and 148,804,173.09

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Solution

The fourth proportional to 266,278,842.72, 367,465,300.80 and 148,804,173.09 is: 205,350,037.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,278,842.72 : 367,465,300.80 = 148,804,173.09 : x
  2. Step 2: Convert to fraction form
    266,278,842.72/367,465,300.80 = 148,804,173.09/x
  3. Step 3: Cross multiply
    266,278,842.72x = 367,465,300.80 × 148,804,173.09
  4. Step 4: Simplify right side
    266,278,842.72x = 54,680,370,222,974,792
  5. Step 5: Solve for x
    x = 54,680,370,222,974,792/266,278,842.72
  6. Step 6: Final answer
    x = 205,350,037.07

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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.