Home / 268,889,378.10-403,334,067.15-132,840,482.10

Finding the Fourth Proportional to 268,889,378.10, 403,334,067.15 and 132,840,482.10

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Solution

The fourth proportional to 268,889,378.10, 403,334,067.15 and 132,840,482.10 is: 199,260,723.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,889,378.10 : 403,334,067.15 = 132,840,482.10 : x
  2. Step 2: Convert to fraction form
    268,889,378.10/403,334,067.15 = 132,840,482.10/x
  3. Step 3: Cross multiply
    268,889,378.10x = 403,334,067.15 × 132,840,482.10
  4. Step 4: Simplify right side
    268,889,378.10x = 53,579,091,927,559,768
  5. Step 5: Solve for x
    x = 53,579,091,927,559,768/268,889,378.10
  6. Step 6: Final answer
    x = 199,260,723.15

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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.