Home / 54,582,590.80-81,649,937.40-49,207,819.60

Finding the Fourth Proportional to 54,582,590.80, 81,649,937.40 and 49,207,819.60

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Solution

The fourth proportional to 54,582,590.80, 81,649,937.40 and 49,207,819.60 is: 73,609,832.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,582,590.80 : 81,649,937.40 = 49,207,819.60 : x
  2. Step 2: Convert to fraction form
    54,582,590.80/81,649,937.40 = 49,207,819.60/x
  3. Step 3: Cross multiply
    54,582,590.80x = 81,649,937.40 × 49,207,819.60
  4. Step 4: Simplify right side
    54,582,590.80x = 4,017,815,389,930,493.50
  5. Step 5: Solve for x
    x = 4,017,815,389,930,493.50/54,582,590.80
  6. Step 6: Final answer
    x = 73,609,832.93

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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.