Home / 112,329,976.60-168,494,964.90-54,859,115.80

Finding the Fourth Proportional to 112,329,976.60, 168,494,964.90 and 54,859,115.80

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Solution

The fourth proportional to 112,329,976.60, 168,494,964.90 and 54,859,115.80 is: 82,288,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,329,976.60 : 168,494,964.90 = 54,859,115.80 : x
  2. Step 2: Convert to fraction form
    112,329,976.60/168,494,964.90 = 54,859,115.80/x
  3. Step 3: Cross multiply
    112,329,976.60x = 168,494,964.90 × 54,859,115.80
  4. Step 4: Simplify right side
    112,329,976.60x = 9,243,484,791,166,036
  5. Step 5: Solve for x
    x = 9,243,484,791,166,036/112,329,976.60
  6. Step 6: Final answer
    x = 82,288,673.70

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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.