Home / 68,675,366.52-102,976,774.74-30,318,769.08

Finding the Fourth Proportional to 68,675,366.52, 102,976,774.74 and 30,318,769.08

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Solution

The fourth proportional to 68,675,366.52, 102,976,774.74 and 30,318,769.08 is: 45,462,138.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,675,366.52 : 102,976,774.74 = 30,318,769.08 : x
  2. Step 2: Convert to fraction form
    68,675,366.52/102,976,774.74 = 30,318,769.08/x
  3. Step 3: Cross multiply
    68,675,366.52x = 102,976,774.74 × 30,318,769.08
  4. Step 4: Simplify right side
    68,675,366.52x = 3,122,129,053,945,236.50
  5. Step 5: Solve for x
    x = 3,122,129,053,945,236.50/68,675,366.52
  6. Step 6: Final answer
    x = 45,462,138.93

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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.