Home / 171,098,918.70-256,648,378.05-165,052,301.10

Finding the Fourth Proportional to 171,098,918.70, 256,648,378.05 and 165,052,301.10

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Solution

The fourth proportional to 171,098,918.70, 256,648,378.05 and 165,052,301.10 is: 247,578,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,098,918.70 : 256,648,378.05 = 165,052,301.10 : x
  2. Step 2: Convert to fraction form
    171,098,918.70/256,648,378.05 = 165,052,301.10/x
  3. Step 3: Cross multiply
    171,098,918.70x = 256,648,378.05 × 165,052,301.10
  4. Step 4: Simplify right side
    171,098,918.70x = 42,360,405,370,735,232
  5. Step 5: Solve for x
    x = 42,360,405,370,735,232/171,098,918.70
  6. Step 6: Final answer
    x = 247,578,451.65

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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.