Home / 168,071,005.84-231,938,209.74-92,715,634.48

Finding the Fourth Proportional to 168,071,005.84, 231,938,209.74 and 92,715,634.48

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Solution

The fourth proportional to 168,071,005.84, 231,938,209.74 and 92,715,634.48 is: 127,947,697.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,071,005.84 : 231,938,209.74 = 92,715,634.48 : x
  2. Step 2: Convert to fraction form
    168,071,005.84/231,938,209.74 = 92,715,634.48/x
  3. Step 3: Cross multiply
    168,071,005.84x = 231,938,209.74 × 92,715,634.48
  4. Step 4: Simplify right side
    168,071,005.84x = 21,504,298,276,199,416
  5. Step 5: Solve for x
    x = 21,504,298,276,199,416/168,071,005.84
  6. Step 6: Final answer
    x = 127,947,697.87

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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.