Home / 298,820,682.40-412,373,091.98-166,670,196.79

Finding the Fourth Proportional to 298,820,682.40, 412,373,091.98 and 166,670,196.79

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Solution

The fourth proportional to 298,820,682.40, 412,373,091.98 and 166,670,196.79 is: 230,005,178.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,820,682.40 : 412,373,091.98 = 166,670,196.79 : x
  2. Step 2: Convert to fraction form
    298,820,682.40/412,373,091.98 = 166,670,196.79/x
  3. Step 3: Cross multiply
    298,820,682.40x = 412,373,091.98 × 166,670,196.79
  4. Step 4: Simplify right side
    298,820,682.40x = 68,730,304,391,207,368
  5. Step 5: Solve for x
    x = 68,730,304,391,207,368/298,820,682.40
  6. Step 6: Final answer
    x = 230,005,178.49

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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.