Home / 45,212,057.80-67,818,086.70-18,285,713.80

Finding the Fourth Proportional to 45,212,057.80, 67,818,086.70 and 18,285,713.80

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Solution

The fourth proportional to 45,212,057.80, 67,818,086.70 and 18,285,713.80 is: 27,428,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,212,057.80 : 67,818,086.70 = 18,285,713.80 : x
  2. Step 2: Convert to fraction form
    45,212,057.80/67,818,086.70 = 18,285,713.80/x
  3. Step 3: Cross multiply
    45,212,057.80x = 67,818,086.70 × 18,285,713.80
  4. Step 4: Simplify right side
    45,212,057.80x = 1,240,102,123,859,786.50
  5. Step 5: Solve for x
    x = 1,240,102,123,859,786.50/45,212,057.80
  6. Step 6: Final answer
    x = 27,428,570.70

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Similar ratio
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1.5x scale

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.