Home / 312,685,285.14-468,722,923.11-148,879,028.88

Finding the Fourth Proportional to 312,685,285.14, 468,722,923.11 and 148,879,028.88

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Solution

The fourth proportional to 312,685,285.14, 468,722,923.11 and 148,879,028.88 is: 223,173,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,685,285.14 : 468,722,923.11 = 148,879,028.88 : x
  2. Step 2: Convert to fraction form
    312,685,285.14/468,722,923.11 = 148,879,028.88/x
  3. Step 3: Cross multiply
    312,685,285.14x = 468,722,923.11 × 148,879,028.88
  4. Step 4: Simplify right side
    312,685,285.14x = 69,783,013,606,411,712
  5. Step 5: Solve for x
    x = 69,783,013,606,411,712/312,685,285.14
  6. Step 6: Final answer
    x = 223,173,321.30

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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.