Home / 165,111,366.60-247,667,049.90-42,289,446.60

Finding the Fourth Proportional to 165,111,366.60, 247,667,049.90 and 42,289,446.60

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Solution

The fourth proportional to 165,111,366.60, 247,667,049.90 and 42,289,446.60 is: 63,434,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,111,366.60 : 247,667,049.90 = 42,289,446.60 : x
  2. Step 2: Convert to fraction form
    165,111,366.60/247,667,049.90 = 42,289,446.60/x
  3. Step 3: Cross multiply
    165,111,366.60x = 247,667,049.90 × 42,289,446.60
  4. Step 4: Simplify right side
    165,111,366.60x = 10,473,702,481,325,586
  5. Step 5: Solve for x
    x = 10,473,702,481,325,586/165,111,366.60
  6. Step 6: Final answer
    x = 63,434,169.90

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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.