Home / 215,540,409.20-323,310,613.80-106,417,857.20

Finding the Fourth Proportional to 215,540,409.20, 323,310,613.80 and 106,417,857.20

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Solution

The fourth proportional to 215,540,409.20, 323,310,613.80 and 106,417,857.20 is: 159,626,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,540,409.20 : 323,310,613.80 = 106,417,857.20 : x
  2. Step 2: Convert to fraction form
    215,540,409.20/323,310,613.80 = 106,417,857.20/x
  3. Step 3: Cross multiply
    215,540,409.20x = 323,310,613.80 × 106,417,857.20
  4. Step 4: Simplify right side
    215,540,409.20x = 34,406,022,730,612,752
  5. Step 5: Solve for x
    x = 34,406,022,730,612,752/215,540,409.20
  6. Step 6: Final answer
    x = 159,626,785.80

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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.