Home / 168,503,844.30-252,755,766.45-77,804,580.30

Finding the Fourth Proportional to 168,503,844.30, 252,755,766.45 and 77,804,580.30

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Solution

The fourth proportional to 168,503,844.30, 252,755,766.45 and 77,804,580.30 is: 116,706,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,503,844.30 : 252,755,766.45 = 77,804,580.30 : x
  2. Step 2: Convert to fraction form
    168,503,844.30/252,755,766.45 = 77,804,580.30/x
  3. Step 3: Cross multiply
    168,503,844.30x = 252,755,766.45 × 77,804,580.30
  4. Step 4: Simplify right side
    168,503,844.30x = 19,665,556,327,047,068
  5. Step 5: Solve for x
    x = 19,665,556,327,047,068/168,503,844.30
  6. Step 6: Final answer
    x = 116,706,870.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.