Home / 91,739,285,999.10-137,608,928,998.65-28,873,854,650.70

Finding the Fourth Proportional to 91,739,285,999.10, 137,608,928,998.65 and 28,873,854,650.70

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Solution

The fourth proportional to 91,739,285,999.10, 137,608,928,998.65 and 28,873,854,650.70 is: 43,310,781,976.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,739,285,999.10 : 137,608,928,998.65 = 28,873,854,650.70 : x
  2. Step 2: Convert to fraction form
    91,739,285,999.10/137,608,928,998.65 = 28,873,854,650.70/x
  3. Step 3: Cross multiply
    91,739,285,999.10x = 137,608,928,998.65 × 28,873,854,650.70
  4. Step 4: Simplify right side
    91,739,285,999.10x = 3,973,300,214,545,516,068,864
  5. Step 5: Solve for x
    x = 3,973,300,214,545,516,068,864/91,739,285,999.10
  6. Step 6: Final answer
    x = 43,310,781,976.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.