Home / 313,444,857.70-470,167,286.55-83,437,192.90

Finding the Fourth Proportional to 313,444,857.70, 470,167,286.55 and 83,437,192.90

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Solution

The fourth proportional to 313,444,857.70, 470,167,286.55 and 83,437,192.90 is: 125,155,789.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,444,857.70 : 470,167,286.55 = 83,437,192.90 : x
  2. Step 2: Convert to fraction form
    313,444,857.70/470,167,286.55 = 83,437,192.90/x
  3. Step 3: Cross multiply
    313,444,857.70x = 470,167,286.55 × 83,437,192.90
  4. Step 4: Simplify right side
    313,444,857.70x = 39,229,438,583,141,928
  5. Step 5: Solve for x
    x = 39,229,438,583,141,928/313,444,857.70
  6. Step 6: Final answer
    x = 125,155,789.35

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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.