Home / 43,843,246.60-65,764,869.90-21,168,430.60

Finding the Fourth Proportional to 43,843,246.60, 65,764,869.90 and 21,168,430.60

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Solution

The fourth proportional to 43,843,246.60, 65,764,869.90 and 21,168,430.60 is: 31,752,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,843,246.60 : 65,764,869.90 = 21,168,430.60 : x
  2. Step 2: Convert to fraction form
    43,843,246.60/65,764,869.90 = 21,168,430.60/x
  3. Step 3: Cross multiply
    43,843,246.60x = 65,764,869.90 × 21,168,430.60
  4. Step 4: Simplify right side
    43,843,246.60x = 1,392,139,084,396,179
  5. Step 5: Solve for x
    x = 1,392,139,084,396,179/43,843,246.60
  6. Step 6: Final answer
    x = 31,752,645.90

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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.