Home / 207,231,948.75-286,005,167.19-117,945,602.79

Finding the Fourth Proportional to 207,231,948.75, 286,005,167.19 and 117,945,602.79

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Solution

The fourth proportional to 207,231,948.75, 286,005,167.19 and 117,945,602.79 is: 162,779,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,231,948.75 : 286,005,167.19 = 117,945,602.79 : x
  2. Step 2: Convert to fraction form
    207,231,948.75/286,005,167.19 = 117,945,602.79/x
  3. Step 3: Cross multiply
    207,231,948.75x = 286,005,167.19 × 117,945,602.79
  4. Step 4: Simplify right side
    207,231,948.75x = 33,733,051,844,206,760
  5. Step 5: Solve for x
    x = 33,733,051,844,206,760/207,231,948.75
  6. Step 6: Final answer
    x = 162,779,204.88

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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.