Home / 112,295,252.20-168,442,878.30-68,646,231.40

Finding the Fourth Proportional to 112,295,252.20, 168,442,878.30 and 68,646,231.40

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Solution

The fourth proportional to 112,295,252.20, 168,442,878.30 and 68,646,231.40 is: 102,969,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,295,252.20 : 168,442,878.30 = 68,646,231.40 : x
  2. Step 2: Convert to fraction form
    112,295,252.20/168,442,878.30 = 68,646,231.40/x
  3. Step 3: Cross multiply
    112,295,252.20x = 168,442,878.30 × 68,646,231.40
  4. Step 4: Simplify right side
    112,295,252.20x = 11,562,968,801,463,840
  5. Step 5: Solve for x
    x = 11,562,968,801,463,840/112,295,252.20
  6. Step 6: Final answer
    x = 102,969,347.10

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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.