Home / 117,382,881.20-176,105,814.60-104,691,282.80

Finding the Fourth Proportional to 117,382,881.20, 176,105,814.60 and 104,691,282.80

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Solution

The fourth proportional to 117,382,881.20, 176,105,814.60 and 104,691,282.80 is: 157,065,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,382,881.20 : 176,105,814.60 = 104,691,282.80 : x
  2. Step 2: Convert to fraction form
    117,382,881.20/176,105,814.60 = 104,691,282.80/x
  3. Step 3: Cross multiply
    117,382,881.20x = 176,105,814.60 × 104,691,282.80
  4. Step 4: Simplify right side
    117,382,881.20x = 18,436,743,639,012,968
  5. Step 5: Solve for x
    x = 18,436,743,639,012,968/117,382,881.20
  6. Step 6: Final answer
    x = 157,065,011.96

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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.