Home / 66,003,743.20-99,041,044.20-27,669,132.40

Finding the Fourth Proportional to 66,003,743.20, 99,041,044.20 and 27,669,132.40

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Solution

The fourth proportional to 66,003,743.20, 99,041,044.20 and 27,669,132.40 is: 41,518,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,003,743.20 : 99,041,044.20 = 27,669,132.40 : x
  2. Step 2: Convert to fraction form
    66,003,743.20/99,041,044.20 = 27,669,132.40/x
  3. Step 3: Cross multiply
    66,003,743.20x = 99,041,044.20 × 27,669,132.40
  4. Step 4: Simplify right side
    66,003,743.20x = 2,740,379,765,004,052
  5. Step 5: Solve for x
    x = 2,740,379,765,004,052/66,003,743.20
  6. Step 6: Final answer
    x = 41,518,550.80

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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.