Home / 207,231,975.01-286,005,202.78-117,945,627.86

Finding the Fourth Proportional to 207,231,975.01, 286,005,202.78 and 117,945,627.86

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Solution

The fourth proportional to 207,231,975.01, 286,005,202.78 and 117,945,627.86 is: 162,779,239.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,231,975.01 : 286,005,202.78 = 117,945,627.86 : x
  2. Step 2: Convert to fraction form
    207,231,975.01/286,005,202.78 = 117,945,627.86/x
  3. Step 3: Cross multiply
    207,231,975.01x = 286,005,202.78 × 117,945,627.86
  4. Step 4: Simplify right side
    207,231,975.01x = 33,733,063,213,755,608
  5. Step 5: Solve for x
    x = 33,733,063,213,755,608/207,231,975.01
  6. Step 6: Final answer
    x = 162,779,239.12

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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.