Home / 112,226,632.80-168,339,949.20-108,867,400.80

Finding the Fourth Proportional to 112,226,632.80, 168,339,949.20 and 108,867,400.80

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Solution

The fourth proportional to 112,226,632.80, 168,339,949.20 and 108,867,400.80 is: 163,301,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,226,632.80 : 168,339,949.20 = 108,867,400.80 : x
  2. Step 2: Convert to fraction form
    112,226,632.80/168,339,949.20 = 108,867,400.80/x
  3. Step 3: Cross multiply
    112,226,632.80x = 168,339,949.20 × 108,867,400.80
  4. Step 4: Simplify right side
    112,226,632.80x = 18,326,732,720,208,036
  5. Step 5: Solve for x
    x = 18,326,732,720,208,036/112,226,632.80
  6. Step 6: Final answer
    x = 163,301,101.20

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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.