Home / 207,231,974.17-286,005,201.62-117,945,627.02

Finding the Fourth Proportional to 207,231,974.17, 286,005,201.62 and 117,945,627.02

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Solution

The fourth proportional to 207,231,974.17, 286,005,201.62 and 117,945,627.02 is: 162,779,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,231,974.17 : 286,005,201.62 = 117,945,627.02 : x
  2. Step 2: Convert to fraction form
    207,231,974.17/286,005,201.62 = 117,945,627.02/x
  3. Step 3: Cross multiply
    207,231,974.17x = 286,005,201.62 × 117,945,627.02
  4. Step 4: Simplify right side
    207,231,974.17x = 33,733,062,835,105,184
  5. Step 5: Solve for x
    x = 33,733,062,835,105,184/207,231,974.17
  6. Step 6: Final answer
    x = 162,779,237.96

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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.