Home / 212,893,715.76-293,737,793.22-124,740,353.04

Finding the Fourth Proportional to 212,893,715.76, 293,737,793.22 and 124,740,353.04

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Solution

The fourth proportional to 212,893,715.76, 293,737,793.22 and 124,740,353.04 is: 172,109,147.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,893,715.76 : 293,737,793.22 = 124,740,353.04 : x
  2. Step 2: Convert to fraction form
    212,893,715.76/293,737,793.22 = 124,740,353.04/x
  3. Step 3: Cross multiply
    212,893,715.76x = 293,737,793.22 × 124,740,353.04
  4. Step 4: Simplify right side
    212,893,715.76x = 36,640,956,027,453,320
  5. Step 5: Solve for x
    x = 36,640,956,027,453,320/212,893,715.76
  6. Step 6: Final answer
    x = 172,109,147.97

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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.