Home / 115,034,779.50-172,555,712.19-50,305,265.70

Finding the Fourth Proportional to 115,034,779.50, 172,555,712.19 and 50,305,265.70

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Solution

The fourth proportional to 115,034,779.50, 172,555,712.19 and 50,305,265.70 is: 75,459,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,034,779.50 : 172,555,712.19 = 50,305,265.70 : x
  2. Step 2: Convert to fraction form
    115,034,779.50/172,555,712.19 = 50,305,265.70/x
  3. Step 3: Cross multiply
    115,034,779.50x = 172,555,712.19 × 50,305,265.70
  4. Step 4: Simplify right side
    115,034,779.50x = 8,680,460,949,770,679
  5. Step 5: Solve for x
    x = 8,680,460,949,770,679/115,034,779.50
  6. Step 6: Final answer
    x = 75,459,447.89

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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.