Home / 313,009,627.20-469,514,440.80-108,558,369.60

Finding the Fourth Proportional to 313,009,627.20, 469,514,440.80 and 108,558,369.60

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Solution

The fourth proportional to 313,009,627.20, 469,514,440.80 and 108,558,369.60 is: 162,837,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,009,627.20 : 469,514,440.80 = 108,558,369.60 : x
  2. Step 2: Convert to fraction form
    313,009,627.20/469,514,440.80 = 108,558,369.60/x
  3. Step 3: Cross multiply
    313,009,627.20x = 469,514,440.80 × 108,558,369.60
  4. Step 4: Simplify right side
    313,009,627.20x = 50,969,722,196,903,720
  5. Step 5: Solve for x
    x = 50,969,722,196,903,720/313,009,627.20
  6. Step 6: Final answer
    x = 162,837,554.40

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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.