Home / 163,530,441.90-245,169,936.06-84,662,402.54

Finding the Fourth Proportional to 163,530,441.90, 245,169,936.06 and 84,662,402.54

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Solution

The fourth proportional to 163,530,441.90, 245,169,936.06 and 84,662,402.54 is: 126,928,512.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,530,441.90 : 245,169,936.06 = 84,662,402.54 : x
  2. Step 2: Convert to fraction form
    163,530,441.90/245,169,936.06 = 84,662,402.54/x
  3. Step 3: Cross multiply
    163,530,441.90x = 245,169,936.06 × 84,662,402.54
  4. Step 4: Simplify right side
    163,530,441.90x = 20,756,675,816,191,932
  5. Step 5: Solve for x
    x = 20,756,675,816,191,932/163,530,441.90
  6. Step 6: Final answer
    x = 126,928,512.97

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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.