Home / 268,367,071.40-402,550,607.10-115,028,628.20

Finding the Fourth Proportional to 268,367,071.40, 402,550,607.10 and 115,028,628.20

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Solution

The fourth proportional to 268,367,071.40, 402,550,607.10 and 115,028,628.20 is: 172,542,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,367,071.40 : 402,550,607.10 = 115,028,628.20 : x
  2. Step 2: Convert to fraction form
    268,367,071.40/402,550,607.10 = 115,028,628.20/x
  3. Step 3: Cross multiply
    268,367,071.40x = 402,550,607.10 × 115,028,628.20
  4. Step 4: Simplify right side
    268,367,071.40x = 46,304,844,115,790,184
  5. Step 5: Solve for x
    x = 46,304,844,115,790,184/268,367,071.40
  6. Step 6: Final answer
    x = 172,542,942.30

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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.