Home / 189,467,928.12-283,908,949.89-147,870,172.98

Finding the Fourth Proportional to 189,467,928.12, 283,908,949.89 and 147,870,172.98

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Solution

The fourth proportional to 189,467,928.12, 283,908,949.89 and 147,870,172.98 is: 221,576,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,467,928.12 : 283,908,949.89 = 147,870,172.98 : x
  2. Step 2: Convert to fraction form
    189,467,928.12/283,908,949.89 = 147,870,172.98/x
  3. Step 3: Cross multiply
    189,467,928.12x = 283,908,949.89 × 147,870,172.98
  4. Step 4: Simplify right side
    189,467,928.12x = 41,981,665,530,804,448
  5. Step 5: Solve for x
    x = 41,981,665,530,804,448/189,467,928.12
  6. Step 6: Final answer
    x = 221,576,632.77

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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.