Home / 207,231,939.75-286,005,154.77-117,945,593.76

Finding the Fourth Proportional to 207,231,939.75, 286,005,154.77 and 117,945,593.76

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Solution

The fourth proportional to 207,231,939.75, 286,005,154.77 and 117,945,593.76 is: 162,779,192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,231,939.75 : 286,005,154.77 = 117,945,593.76 : x
  2. Step 2: Convert to fraction form
    207,231,939.75/286,005,154.77 = 117,945,593.76/x
  3. Step 3: Cross multiply
    207,231,939.75x = 286,005,154.77 × 117,945,593.76
  4. Step 4: Simplify right side
    207,231,939.75x = 33,733,047,797,768,344
  5. Step 5: Solve for x
    x = 33,733,047,797,768,344/207,231,939.75
  6. Step 6: Final answer
    x = 162,779,192.43

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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.