Home / 112,109,407.83-168,083,404.14-68,889,316.05

Finding the Fourth Proportional to 112,109,407.83, 168,083,404.14 and 68,889,316.05

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Solution

The fourth proportional to 112,109,407.83, 168,083,404.14 and 68,889,316.05 is: 103,284,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,109,407.83 : 168,083,404.14 = 68,889,316.05 : x
  2. Step 2: Convert to fraction form
    112,109,407.83/168,083,404.14 = 68,889,316.05/x
  3. Step 3: Cross multiply
    112,109,407.83x = 168,083,404.14 × 68,889,316.05
  4. Step 4: Simplify right side
    112,109,407.83x = 11,579,150,750,560,336
  5. Step 5: Solve for x
    x = 11,579,150,750,560,336/112,109,407.83
  6. Step 6: Final answer
    x = 103,284,380.63

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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.