Home / 108,519,109.10-162,778,663.65-93,906,449.90

Finding the Fourth Proportional to 108,519,109.10, 162,778,663.65 and 93,906,449.90

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Solution

The fourth proportional to 108,519,109.10, 162,778,663.65 and 93,906,449.90 is: 140,859,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,519,109.10 : 162,778,663.65 = 93,906,449.90 : x
  2. Step 2: Convert to fraction form
    108,519,109.10/162,778,663.65 = 93,906,449.90/x
  3. Step 3: Cross multiply
    108,519,109.10x = 162,778,663.65 × 93,906,449.90
  4. Step 4: Simplify right side
    108,519,109.10x = 15,285,966,422,837,678
  5. Step 5: Solve for x
    x = 15,285,966,422,837,678/108,519,109.10
  6. Step 6: Final answer
    x = 140,859,674.85

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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.