Home / 68,142,495.92-102,226,439.43-22,080,257.30

Finding the Fourth Proportional to 68,142,495.92, 102,226,439.43 and 22,080,257.30

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Solution

The fourth proportional to 68,142,495.92, 102,226,439.43 and 22,080,257.30 is: 33,124,499.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,142,495.92 : 102,226,439.43 = 22,080,257.30 : x
  2. Step 2: Convert to fraction form
    68,142,495.92/102,226,439.43 = 22,080,257.30/x
  3. Step 3: Cross multiply
    68,142,495.92x = 102,226,439.43 × 22,080,257.30
  4. Step 4: Simplify right side
    68,142,495.92x = 2,257,186,084,966,133.50
  5. Step 5: Solve for x
    x = 2,257,186,084,966,133.50/68,142,495.92
  6. Step 6: Final answer
    x = 33,124,499.69

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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.