Home / 298,820,677.65-412,373,085.42-166,670,192.04

Finding the Fourth Proportional to 298,820,677.65, 412,373,085.42 and 166,670,192.04

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Solution

The fourth proportional to 298,820,677.65, 412,373,085.42 and 166,670,192.04 is: 230,005,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,820,677.65 : 412,373,085.42 = 166,670,192.04 : x
  2. Step 2: Convert to fraction form
    298,820,677.65/412,373,085.42 = 166,670,192.04/x
  3. Step 3: Cross multiply
    298,820,677.65x = 412,373,085.42 × 166,670,192.04
  4. Step 4: Simplify right side
    298,820,677.65x = 68,730,301,339,078,720
  5. Step 5: Solve for x
    x = 68,730,301,339,078,720/298,820,677.65
  6. Step 6: Final answer
    x = 230,005,171.93

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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.