Home / 127,923,570.80-191,727,892.20-86,982,930.80

Finding the Fourth Proportional to 127,923,570.80, 191,727,892.20 and 86,982,930.80

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Solution

The fourth proportional to 127,923,570.80, 191,727,892.20 and 86,982,930.80 is: 130,367,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,923,570.80 : 191,727,892.20 = 86,982,930.80 : x
  2. Step 2: Convert to fraction form
    127,923,570.80/191,727,892.20 = 86,982,930.80/x
  3. Step 3: Cross multiply
    127,923,570.80x = 191,727,892.20 × 86,982,930.80
  4. Step 4: Simplify right side
    127,923,570.80x = 16,677,053,979,662,458
  5. Step 5: Solve for x
    x = 16,677,053,979,662,458/127,923,570.80
  6. Step 6: Final answer
    x = 130,367,326.95

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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.