Home / 66,515,783.40-99,723,908.70-36,257,812.20

Finding the Fourth Proportional to 66,515,783.40, 99,723,908.70 and 36,257,812.20

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Solution

The fourth proportional to 66,515,783.40, 99,723,908.70 and 36,257,812.20 is: 54,359,590.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,515,783.40 : 99,723,908.70 = 36,257,812.20 : x
  2. Step 2: Convert to fraction form
    66,515,783.40/99,723,908.70 = 36,257,812.20/x
  3. Step 3: Cross multiply
    66,515,783.40x = 99,723,908.70 × 36,257,812.20
  4. Step 4: Simplify right side
    66,515,783.40x = 3,615,770,753,494,546.50
  5. Step 5: Solve for x
    x = 3,615,770,753,494,546.50/66,515,783.40
  6. Step 6: Final answer
    x = 54,359,590.59

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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.