Home / 177,462,422.80-266,193,634.20-81,910,934.80

Finding the Fourth Proportional to 177,462,422.80, 266,193,634.20 and 81,910,934.80

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Solution

The fourth proportional to 177,462,422.80, 266,193,634.20 and 81,910,934.80 is: 122,866,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,462,422.80 : 266,193,634.20 = 81,910,934.80 : x
  2. Step 2: Convert to fraction form
    177,462,422.80/266,193,634.20 = 81,910,934.80/x
  3. Step 3: Cross multiply
    177,462,422.80x = 266,193,634.20 × 81,910,934.80
  4. Step 4: Simplify right side
    177,462,422.80x = 21,804,169,415,131,248
  5. Step 5: Solve for x
    x = 21,804,169,415,131,248/177,462,422.80
  6. Step 6: Final answer
    x = 122,866,402.20

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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.