Home / 186,624,919.20-279,937,378.80-141,275,287.20

Finding the Fourth Proportional to 186,624,919.20, 279,937,378.80 and 141,275,287.20

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Solution

The fourth proportional to 186,624,919.20, 279,937,378.80 and 141,275,287.20 is: 211,912,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,624,919.20 : 279,937,378.80 = 141,275,287.20 : x
  2. Step 2: Convert to fraction form
    186,624,919.20/279,937,378.80 = 141,275,287.20/x
  3. Step 3: Cross multiply
    186,624,919.20x = 279,937,378.80 × 141,275,287.20
  4. Step 4: Simplify right side
    186,624,919.20x = 39,548,233,587,985,192
  5. Step 5: Solve for x
    x = 39,548,233,587,985,192/186,624,919.20
  6. Step 6: Final answer
    x = 211,912,930.80

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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.