Home / 168,940,897.92-233,138,441.12-91,678,561.92

Finding the Fourth Proportional to 168,940,897.92, 233,138,441.12 and 91,678,561.92

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Solution

The fourth proportional to 168,940,897.92, 233,138,441.12 and 91,678,561.92 is: 126,516,416.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,940,897.92 : 233,138,441.12 = 91,678,561.92 : x
  2. Step 2: Convert to fraction form
    168,940,897.92/233,138,441.12 = 91,678,561.92/x
  3. Step 3: Cross multiply
    168,940,897.92x = 233,138,441.12 × 91,678,561.92
  4. Step 4: Simplify right side
    168,940,897.92x = 21,373,797,010,152,196
  5. Step 5: Solve for x
    x = 21,373,797,010,152,196/168,940,897.92
  6. Step 6: Final answer
    x = 126,516,416.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.