Home / 66,415,882.80-99,623,824.20-43,722,404.40

Finding the Fourth Proportional to 66,415,882.80, 99,623,824.20 and 43,722,404.40

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Solution

The fourth proportional to 66,415,882.80, 99,623,824.20 and 43,722,404.40 is: 65,583,606.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,415,882.80 : 99,623,824.20 = 43,722,404.40 : x
  2. Step 2: Convert to fraction form
    66,415,882.80/99,623,824.20 = 43,722,404.40/x
  3. Step 3: Cross multiply
    66,415,882.80x = 99,623,824.20 × 43,722,404.40
  4. Step 4: Simplify right side
    66,415,882.80x = 4,355,793,129,546,906.50
  5. Step 5: Solve for x
    x = 4,355,793,129,546,906.50/66,415,882.80
  6. Step 6: Final answer
    x = 65,583,606.60

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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.