Home / 168,500,633,478.93-252,837,847,486.17-78,972,722,296.07

Finding the Fourth Proportional to 168,500,633,478.93, 252,837,847,486.17 and 78,972,722,296.07

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Solution

The fourth proportional to 168,500,633,478.93, 252,837,847,486.17 and 78,972,722,296.07 is: 118,499,810,375.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,500,633,478.93 : 252,837,847,486.17 = 78,972,722,296.07 : x
  2. Step 2: Convert to fraction form
    168,500,633,478.93/252,837,847,486.17 = 78,972,722,296.07/x
  3. Step 3: Cross multiply
    168,500,633,478.93x = 252,837,847,486.17 × 78,972,722,296.07
  4. Step 4: Simplify right side
    168,500,633,478.93x = 19,967,293,115,460,141,187,072
  5. Step 5: Solve for x
    x = 19,967,293,115,460,141,187,072/168,500,633,478.93
  6. Step 6: Final answer
    x = 118,499,810,375.83

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1.5x scale

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.