Home / 68,039,514.90-102,058,980.14-18,855,226.94

Finding the Fourth Proportional to 68,039,514.90, 102,058,980.14 and 18,855,226.94

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Solution

The fourth proportional to 68,039,514.90, 102,058,980.14 and 18,855,226.94 is: 28,282,759.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,039,514.90 : 102,058,980.14 = 18,855,226.94 : x
  2. Step 2: Convert to fraction form
    68,039,514.90/102,058,980.14 = 18,855,226.94/x
  3. Step 3: Cross multiply
    68,039,514.90x = 102,058,980.14 × 18,855,226.94
  4. Step 4: Simplify right side
    68,039,514.90x = 1,924,345,232,106,938.25
  5. Step 5: Solve for x
    x = 1,924,345,232,106,938.25/68,039,514.90
  6. Step 6: Final answer
    x = 28,282,759.44

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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.