Home / 275,108,889.72-379,652,733.60-149,663,819.16

Finding the Fourth Proportional to 275,108,889.72, 379,652,733.60 and 149,663,819.16

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Solution

The fourth proportional to 275,108,889.72, 379,652,733.60 and 149,663,819.16 is: 206,537,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,108,889.72 : 379,652,733.60 = 149,663,819.16 : x
  2. Step 2: Convert to fraction form
    275,108,889.72/379,652,733.60 = 149,663,819.16/x
  3. Step 3: Cross multiply
    275,108,889.72x = 379,652,733.60 × 149,663,819.16
  4. Step 4: Simplify right side
    275,108,889.72x = 56,820,278,065,110,056
  5. Step 5: Solve for x
    x = 56,820,278,065,110,056/275,108,889.72
  6. Step 6: Final answer
    x = 206,537,411.87

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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.