Home / 69,122,505.20-103,683,757.80-43,480,367.60

Finding the Fourth Proportional to 69,122,505.20, 103,683,757.80 and 43,480,367.60

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Solution

The fourth proportional to 69,122,505.20, 103,683,757.80 and 43,480,367.60 is: 65,220,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,122,505.20 : 103,683,757.80 = 43,480,367.60 : x
  2. Step 2: Convert to fraction form
    69,122,505.20/103,683,757.80 = 43,480,367.60/x
  3. Step 3: Cross multiply
    69,122,505.20x = 103,683,757.80 × 43,480,367.60
  4. Step 4: Simplify right side
    69,122,505.20x = 4,508,207,903,293,367
  5. Step 5: Solve for x
    x = 4,508,207,903,293,367/69,122,505.20
  6. Step 6: Final answer
    x = 65,220,551.40

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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.