Home / 152,011,769.62-209,770,621.95-82,395,655.96

Finding the Fourth Proportional to 152,011,769.62, 209,770,621.95 and 82,395,655.96

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Solution

The fourth proportional to 152,011,769.62, 209,770,621.95 and 82,395,655.96 is: 113,702,958.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,011,769.62 : 209,770,621.95 = 82,395,655.96 : x
  2. Step 2: Convert to fraction form
    152,011,769.62/209,770,621.95 = 82,395,655.96/x
  3. Step 3: Cross multiply
    152,011,769.62x = 209,770,621.95 × 82,395,655.96
  4. Step 4: Simplify right side
    152,011,769.62x = 17,284,187,996,707,422
  5. Step 5: Solve for x
    x = 17,284,187,996,707,422/152,011,769.62
  6. Step 6: Final answer
    x = 113,702,958.92

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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.