Home / 111,310,505.40-166,965,758.10-39,497,590.20

Finding the Fourth Proportional to 111,310,505.40, 166,965,758.10 and 39,497,590.20

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Solution

The fourth proportional to 111,310,505.40, 166,965,758.10 and 39,497,590.20 is: 59,246,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,310,505.40 : 166,965,758.10 = 39,497,590.20 : x
  2. Step 2: Convert to fraction form
    111,310,505.40/166,965,758.10 = 39,497,590.20/x
  3. Step 3: Cross multiply
    111,310,505.40x = 166,965,758.10 × 39,497,590.20
  4. Step 4: Simplify right side
    111,310,505.40x = 6,594,745,090,866,131
  5. Step 5: Solve for x
    x = 6,594,745,090,866,131/111,310,505.40
  6. Step 6: Final answer
    x = 59,246,385.30

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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.