Home / 268,889,405.10-403,334,107.65-132,840,509.10

Finding the Fourth Proportional to 268,889,405.10, 403,334,107.65 and 132,840,509.10

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Solution

The fourth proportional to 268,889,405.10, 403,334,107.65 and 132,840,509.10 is: 199,260,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,889,405.10 : 403,334,107.65 = 132,840,509.10 : x
  2. Step 2: Convert to fraction form
    268,889,405.10/403,334,107.65 = 132,840,509.10/x
  3. Step 3: Cross multiply
    268,889,405.10x = 403,334,107.65 × 132,840,509.10
  4. Step 4: Simplify right side
    268,889,405.10x = 53,579,108,197,620,200
  5. Step 5: Solve for x
    x = 53,579,108,197,620,200/268,889,405.10
  6. Step 6: Final answer
    x = 199,260,763.65

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1.5x scale

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.