Home / 89,786,755.11-123,905,667.96-48,533,648.70

Finding the Fourth Proportional to 89,786,755.11, 123,905,667.96 and 48,533,648.70

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Solution

The fourth proportional to 89,786,755.11, 123,905,667.96 and 48,533,648.70 is: 66,976,405.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,786,755.11 : 123,905,667.96 = 48,533,648.70 : x
  2. Step 2: Convert to fraction form
    89,786,755.11/123,905,667.96 = 48,533,648.70/x
  3. Step 3: Cross multiply
    89,786,755.11x = 123,905,667.96 × 48,533,648.70
  4. Step 4: Simplify right side
    89,786,755.11x = 6,013,594,160,709,486
  5. Step 5: Solve for x
    x = 6,013,594,160,709,486/89,786,755.11
  6. Step 6: Final answer
    x = 66,976,405.97

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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.