Home / 43,448,286.60-65,214,420.30-21,907,211.40

Finding the Fourth Proportional to 43,448,286.60, 65,214,420.30 and 21,907,211.40

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Solution

The fourth proportional to 43,448,286.60, 65,214,420.30 and 21,907,211.40 is: 32,881,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,448,286.60 : 65,214,420.30 = 21,907,211.40 : x
  2. Step 2: Convert to fraction form
    43,448,286.60/65,214,420.30 = 21,907,211.40/x
  3. Step 3: Cross multiply
    43,448,286.60x = 65,214,420.30 × 21,907,211.40
  4. Step 4: Simplify right side
    43,448,286.60x = 1,428,666,091,840,551.25
  5. Step 5: Solve for x
    x = 1,428,666,091,840,551.25/43,448,286.60
  6. Step 6: Final answer
    x = 32,881,989.23

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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.