Home / 86,531,505,117.76-119,414,178,199.96-47,951,069,435.70

Finding the Fourth Proportional to 86,531,505,117.76, 119,414,178,199.96 and 47,951,069,435.70

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Solution

The fourth proportional to 86,531,505,117.76, 119,414,178,199.96 and 47,951,069,435.70 is: 66,172,864,353.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,531,505,117.76 : 119,414,178,199.96 = 47,951,069,435.70 : x
  2. Step 2: Convert to fraction form
    86,531,505,117.76/119,414,178,199.96 = 47,951,069,435.70/x
  3. Step 3: Cross multiply
    86,531,505,117.76x = 119,414,178,199.96 × 47,951,069,435.70
  4. Step 4: Simplify right side
    86,531,505,117.76x = 5,726,037,550,472,738,373,632
  5. Step 5: Solve for x
    x = 5,726,037,550,472,738,373,632/86,531,505,117.76
  6. Step 6: Final answer
    x = 66,172,864,353.63

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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.