Home / 112,295,221.70-168,442,832.55-68,646,200.90

Finding the Fourth Proportional to 112,295,221.70, 168,442,832.55 and 68,646,200.90

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Solution

The fourth proportional to 112,295,221.70, 168,442,832.55 and 68,646,200.90 is: 102,969,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,295,221.70 : 168,442,832.55 = 68,646,200.90 : x
  2. Step 2: Convert to fraction form
    112,295,221.70/168,442,832.55 = 68,646,200.90/x
  3. Step 3: Cross multiply
    112,295,221.70x = 168,442,832.55 × 68,646,200.90
  4. Step 4: Simplify right side
    112,295,221.70x = 11,562,960,523,392,362
  5. Step 5: Solve for x
    x = 11,562,960,523,392,362/112,295,221.70
  6. Step 6: Final answer
    x = 102,969,301.35

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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.