Home / 141,052,433.52-194,645,806.20-78,332,513.52

Finding the Fourth Proportional to 141,052,433.52, 194,645,806.20 and 78,332,513.52

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Solution

The fourth proportional to 141,052,433.52, 194,645,806.20 and 78,332,513.52 is: 108,095,230.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,052,433.52 : 194,645,806.20 = 78,332,513.52 : x
  2. Step 2: Convert to fraction form
    141,052,433.52/194,645,806.20 = 78,332,513.52/x
  3. Step 3: Cross multiply
    141,052,433.52x = 194,645,806.20 × 78,332,513.52
  4. Step 4: Simplify right side
    141,052,433.52x = 15,247,095,245,772,798
  5. Step 5: Solve for x
    x = 15,247,095,245,772,798/141,052,433.52
  6. Step 6: Final answer
    x = 108,095,230.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.