Home / 282,019,406.57-389,188,189.67-176,234,247.96

Finding the Fourth Proportional to 282,019,406.57, 389,188,189.67 and 176,234,247.96

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Solution

The fourth proportional to 282,019,406.57, 389,188,189.67 and 176,234,247.96 is: 243,204,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,019,406.57 : 389,188,189.67 = 176,234,247.96 : x
  2. Step 2: Convert to fraction form
    282,019,406.57/389,188,189.67 = 176,234,247.96/x
  3. Step 3: Cross multiply
    282,019,406.57x = 389,188,189.67 × 176,234,247.96
  4. Step 4: Simplify right side
    282,019,406.57x = 68,588,287,919,065,672
  5. Step 5: Solve for x
    x = 68,588,287,919,065,672/282,019,406.57
  6. Step 6: Final answer
    x = 243,204,142.42

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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.