Home / 117,005,992.80-175,508,989.20-82,993,768.80

Finding the Fourth Proportional to 117,005,992.80, 175,508,989.20 and 82,993,768.80

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Solution

The fourth proportional to 117,005,992.80, 175,508,989.20 and 82,993,768.80 is: 124,490,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,005,992.80 : 175,508,989.20 = 82,993,768.80 : x
  2. Step 2: Convert to fraction form
    117,005,992.80/175,508,989.20 = 82,993,768.80/x
  3. Step 3: Cross multiply
    117,005,992.80x = 175,508,989.20 × 82,993,768.80
  4. Step 4: Simplify right side
    117,005,992.80x = 14,566,152,471,986,496
  5. Step 5: Solve for x
    x = 14,566,152,471,986,496/117,005,992.80
  6. Step 6: Final answer
    x = 124,490,653.20

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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.