Home / 68,163,054.20-102,244,581.30-39,394,381.40

Finding the Fourth Proportional to 68,163,054.20, 102,244,581.30 and 39,394,381.40

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Solution

The fourth proportional to 68,163,054.20, 102,244,581.30 and 39,394,381.40 is: 59,091,572.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,163,054.20 : 102,244,581.30 = 39,394,381.40 : x
  2. Step 2: Convert to fraction form
    68,163,054.20/102,244,581.30 = 39,394,381.40/x
  3. Step 3: Cross multiply
    68,163,054.20x = 102,244,581.30 × 39,394,381.40
  4. Step 4: Simplify right side
    68,163,054.20x = 4,027,862,031,815,507.50
  5. Step 5: Solve for x
    x = 4,027,862,031,815,507.50/68,163,054.20
  6. Step 6: Final answer
    x = 59,091,572.10

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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.