Home / 147,743,270.80-221,614,906.20-45,494,022.40

Finding the Fourth Proportional to 147,743,270.80, 221,614,906.20 and 45,494,022.40

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Solution

The fourth proportional to 147,743,270.80, 221,614,906.20 and 45,494,022.40 is: 68,241,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,743,270.80 : 221,614,906.20 = 45,494,022.40 : x
  2. Step 2: Convert to fraction form
    147,743,270.80/221,614,906.20 = 45,494,022.40/x
  3. Step 3: Cross multiply
    147,743,270.80x = 221,614,906.20 × 45,494,022.40
  4. Step 4: Simplify right side
    147,743,270.80x = 10,082,153,506,836,698
  5. Step 5: Solve for x
    x = 10,082,153,506,836,698/147,743,270.80
  6. Step 6: Final answer
    x = 68,241,033.60

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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.