Home / 117,288,004.20-175,932,006.30-108,218,077.80

Finding the Fourth Proportional to 117,288,004.20, 175,932,006.30 and 108,218,077.80

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Solution

The fourth proportional to 117,288,004.20, 175,932,006.30 and 108,218,077.80 is: 162,327,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,288,004.20 : 175,932,006.30 = 108,218,077.80 : x
  2. Step 2: Convert to fraction form
    117,288,004.20/175,932,006.30 = 108,218,077.80/x
  3. Step 3: Cross multiply
    117,288,004.20x = 175,932,006.30 × 108,218,077.80
  4. Step 4: Simplify right side
    117,288,004.20x = 19,039,023,545,283,492
  5. Step 5: Solve for x
    x = 19,039,023,545,283,492/117,288,004.20
  6. Step 6: Final answer
    x = 162,327,116.70

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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.