Home / 117,005,100.80-175,507,651.20-82,992,876.80

Finding the Fourth Proportional to 117,005,100.80, 175,507,651.20 and 82,992,876.80

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Solution

The fourth proportional to 117,005,100.80, 175,507,651.20 and 82,992,876.80 is: 124,489,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,005,100.80 : 175,507,651.20 = 82,992,876.80 : x
  2. Step 2: Convert to fraction form
    117,005,100.80/175,507,651.20 = 82,992,876.80/x
  3. Step 3: Cross multiply
    117,005,100.80x = 175,507,651.20 × 82,992,876.80
  4. Step 4: Simplify right side
    117,005,100.80x = 14,565,884,873,498,970
  5. Step 5: Solve for x
    x = 14,565,884,873,498,970/117,005,100.80
  6. Step 6: Final answer
    x = 124,489,315.20

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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.