Home / 66,003,439.20-99,040,588.20-27,668,828.40

Finding the Fourth Proportional to 66,003,439.20, 99,040,588.20 and 27,668,828.40

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Solution

The fourth proportional to 66,003,439.20, 99,040,588.20 and 27,668,828.40 is: 41,518,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,003,439.20 : 99,040,588.20 = 27,668,828.40 : x
  2. Step 2: Convert to fraction form
    66,003,439.20/99,040,588.20 = 27,668,828.40/x
  3. Step 3: Cross multiply
    66,003,439.20x = 99,040,588.20 × 27,668,828.40
  4. Step 4: Simplify right side
    66,003,439.20x = 2,740,337,039,540,865
  5. Step 5: Solve for x
    x = 2,740,337,039,540,865/66,003,439.20
  6. Step 6: Final answer
    x = 41,518,094.70

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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.