Home / 368,787,358.80-553,209,031.80-109,982,379.60

Finding the Fourth Proportional to 368,787,358.80, 553,209,031.80 and 109,982,379.60

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Solution

The fourth proportional to 368,787,358.80, 553,209,031.80 and 109,982,379.60 is: 164,981,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,787,358.80 : 553,209,031.80 = 109,982,379.60 : x
  2. Step 2: Convert to fraction form
    368,787,358.80/553,209,031.80 = 109,982,379.60/x
  3. Step 3: Cross multiply
    368,787,358.80x = 553,209,031.80 × 109,982,379.60
  4. Step 4: Simplify right side
    368,787,358.80x = 60,843,245,733,576,064
  5. Step 5: Solve for x
    x = 60,843,245,733,576,064/368,787,358.80
  6. Step 6: Final answer
    x = 164,981,917.85

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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.