Home / 131,231,260.80-196,845,854.40-34,186,780.80

Finding the Fourth Proportional to 131,231,260.80, 196,845,854.40 and 34,186,780.80

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Solution

The fourth proportional to 131,231,260.80, 196,845,854.40 and 34,186,780.80 is: 51,279,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,231,260.80 : 196,845,854.40 = 34,186,780.80 : x
  2. Step 2: Convert to fraction form
    131,231,260.80/196,845,854.40 = 34,186,780.80/x
  3. Step 3: Cross multiply
    131,231,260.80x = 196,845,854.40 × 34,186,780.80
  4. Step 4: Simplify right side
    131,231,260.80x = 6,729,526,075,761,515
  5. Step 5: Solve for x
    x = 6,729,526,075,761,515/131,231,260.80
  6. Step 6: Final answer
    x = 51,279,901.11

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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.