Home / 112,109,404.83-168,083,399.66-68,889,313.05

Finding the Fourth Proportional to 112,109,404.83, 168,083,399.66 and 68,889,313.05

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Solution

The fourth proportional to 112,109,404.83, 168,083,399.66 and 68,889,313.05 is: 103,284,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,109,404.83 : 168,083,399.66 = 68,889,313.05 : x
  2. Step 2: Convert to fraction form
    112,109,404.83/168,083,399.66 = 68,889,313.05/x
  3. Step 3: Cross multiply
    112,109,404.83x = 168,083,399.66 × 68,889,313.05
  4. Step 4: Simplify right side
    112,109,404.83x = 11,579,149,937,341,556
  5. Step 5: Solve for x
    x = 11,579,149,937,341,556/112,109,404.83
  6. Step 6: Final answer
    x = 103,284,376.14

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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.