Home / 87,455,338,558.76-120,688,813,500.76-48,874,902,350.78

Finding the Fourth Proportional to 87,455,338,558.76, 120,688,813,500.76 and 48,874,902,350.78

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Solution

The fourth proportional to 87,455,338,558.76, 120,688,813,500.76 and 48,874,902,350.78 is: 67,447,614,655.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,455,338,558.76 : 120,688,813,500.76 = 48,874,902,350.78 : x
  2. Step 2: Convert to fraction form
    87,455,338,558.76/120,688,813,500.76 = 48,874,902,350.78/x
  3. Step 3: Cross multiply
    87,455,338,558.76x = 120,688,813,500.76 × 48,874,902,350.78
  4. Step 4: Simplify right side
    87,455,338,558.76x = 5,898,653,974,681,505,234,944
  5. Step 5: Solve for x
    x = 5,898,653,974,681,505,234,944/87,455,338,558.76
  6. Step 6: Final answer
    x = 67,447,614,655.54

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1.5x scale

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.