Home / 51,964,919.20-77,914,201.20-21,684,829.60

Finding the Fourth Proportional to 51,964,919.20, 77,914,201.20 and 21,684,829.60

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Solution

The fourth proportional to 51,964,919.20, 77,914,201.20 and 21,684,829.60 is: 32,513,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,964,919.20 : 77,914,201.20 = 21,684,829.60 : x
  2. Step 2: Convert to fraction form
    51,964,919.20/77,914,201.20 = 21,684,829.60/x
  3. Step 3: Cross multiply
    51,964,919.20x = 77,914,201.20 × 21,684,829.60
  4. Step 4: Simplify right side
    51,964,919.20x = 1,689,556,176,442,115.75
  5. Step 5: Solve for x
    x = 1,689,556,176,442,115.75/51,964,919.20
  6. Step 6: Final answer
    x = 32,513,399.47

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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.