Home / 84,489,407,998.40-126,734,111,997.60-70,852,206,785.60

Finding the Fourth Proportional to 84,489,407,998.40, 126,734,111,997.60 and 70,852,206,785.60

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Solution

The fourth proportional to 84,489,407,998.40, 126,734,111,997.60 and 70,852,206,785.60 is: 106,278,310,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,489,407,998.40 : 126,734,111,997.60 = 70,852,206,785.60 : x
  2. Step 2: Convert to fraction form
    84,489,407,998.40/126,734,111,997.60 = 70,852,206,785.60/x
  3. Step 3: Cross multiply
    84,489,407,998.40x = 126,734,111,997.60 × 70,852,206,785.60
  4. Step 4: Simplify right side
    84,489,407,998.40x = 8,979,391,510,043,346,075,648
  5. Step 5: Solve for x
    x = 8,979,391,510,043,346,075,648/84,489,407,998.40
  6. Step 6: Final answer
    x = 106,278,310,178.40

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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.