Home / 188,213,957.20-282,421,246.20-73,202,251.60

Finding the Fourth Proportional to 188,213,957.20, 282,421,246.20 and 73,202,251.60

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Solution

The fourth proportional to 188,213,957.20, 282,421,246.20 and 73,202,251.60 is: 109,842,391.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,213,957.20 : 282,421,246.20 = 73,202,251.60 : x
  2. Step 2: Convert to fraction form
    188,213,957.20/282,421,246.20 = 73,202,251.60/x
  3. Step 3: Cross multiply
    188,213,957.20x = 282,421,246.20 × 73,202,251.60
  4. Step 4: Simplify right side
    188,213,957.20x = 20,673,871,121,517,940
  5. Step 5: Solve for x
    x = 20,673,871,121,517,940/188,213,957.20
  6. Step 6: Final answer
    x = 109,842,391.23

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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.