Home / 104,301,721.70-156,452,582.55-75,990,169.70

Finding the Fourth Proportional to 104,301,721.70, 156,452,582.55 and 75,990,169.70

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Solution

The fourth proportional to 104,301,721.70, 156,452,582.55 and 75,990,169.70 is: 113,985,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,301,721.70 : 156,452,582.55 = 75,990,169.70 : x
  2. Step 2: Convert to fraction form
    104,301,721.70/156,452,582.55 = 75,990,169.70/x
  3. Step 3: Cross multiply
    104,301,721.70x = 156,452,582.55 × 75,990,169.70
  4. Step 4: Simplify right side
    104,301,721.70x = 11,888,858,297,977,760
  5. Step 5: Solve for x
    x = 11,888,858,297,977,760/104,301,721.70
  6. Step 6: Final answer
    x = 113,985,254.55

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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.