Home / 141,052,434.52-194,645,807.58-78,332,514.52

Finding the Fourth Proportional to 141,052,434.52, 194,645,807.58 and 78,332,514.52

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Solution

The fourth proportional to 141,052,434.52, 194,645,807.58 and 78,332,514.52 is: 108,095,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,052,434.52 : 194,645,807.58 = 78,332,514.52 : x
  2. Step 2: Convert to fraction form
    141,052,434.52/194,645,807.58 = 78,332,514.52/x
  3. Step 3: Cross multiply
    141,052,434.52x = 194,645,807.58 × 78,332,514.52
  4. Step 4: Simplify right side
    141,052,434.52x = 15,247,095,548,517,476
  5. Step 5: Solve for x
    x = 15,247,095,548,517,476/141,052,434.52
  6. Step 6: Final answer
    x = 108,095,231.40

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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.