Home / 131,171,710.40-196,757,565.60-82,798,769.60

Finding the Fourth Proportional to 131,171,710.40, 196,757,565.60 and 82,798,769.60

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Solution

The fourth proportional to 131,171,710.40, 196,757,565.60 and 82,798,769.60 is: 124,198,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,171,710.40 : 196,757,565.60 = 82,798,769.60 : x
  2. Step 2: Convert to fraction form
    131,171,710.40/196,757,565.60 = 82,798,769.60/x
  3. Step 3: Cross multiply
    131,171,710.40x = 196,757,565.60 × 82,798,769.60
  4. Step 4: Simplify right side
    131,171,710.40x = 16,291,284,341,171,284
  5. Step 5: Solve for x
    x = 16,291,284,341,171,284/131,171,710.40
  6. Step 6: Final answer
    x = 124,198,154.40

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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.