Home / 221,639,905.80-332,459,858.70-149,080,494.60

Finding the Fourth Proportional to 221,639,905.80, 332,459,858.70 and 149,080,494.60

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Solution

The fourth proportional to 221,639,905.80, 332,459,858.70 and 149,080,494.60 is: 223,620,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,639,905.80 : 332,459,858.70 = 149,080,494.60 : x
  2. Step 2: Convert to fraction form
    221,639,905.80/332,459,858.70 = 149,080,494.60/x
  3. Step 3: Cross multiply
    221,639,905.80x = 332,459,858.70 × 149,080,494.60
  4. Step 4: Simplify right side
    221,639,905.80x = 49,563,280,169,642,112
  5. Step 5: Solve for x
    x = 49,563,280,169,642,112/221,639,905.80
  6. Step 6: Final answer
    x = 223,620,741.90

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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.