Home / 43,964,164.60-65,946,246.90-21,289,348.60

Finding the Fourth Proportional to 43,964,164.60, 65,946,246.90 and 21,289,348.60

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Solution

The fourth proportional to 43,964,164.60, 65,946,246.90 and 21,289,348.60 is: 31,934,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,964,164.60 : 65,946,246.90 = 21,289,348.60 : x
  2. Step 2: Convert to fraction form
    43,964,164.60/65,946,246.90 = 21,289,348.60/x
  3. Step 3: Cross multiply
    43,964,164.60x = 65,946,246.90 × 21,289,348.60
  4. Step 4: Simplify right side
    43,964,164.60x = 1,403,952,639,115,769.50
  5. Step 5: Solve for x
    x = 1,403,952,639,115,769.50/43,964,164.60
  6. Step 6: Final answer
    x = 31,934,022.90

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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.