Home / 55,129,805,998.80-82,694,708,998.20-53,905,365,934.80

Finding the Fourth Proportional to 55,129,805,998.80, 82,694,708,998.20 and 53,905,365,934.80

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Solution

The fourth proportional to 55,129,805,998.80, 82,694,708,998.20 and 53,905,365,934.80 is: 80,858,048,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,129,805,998.80 : 82,694,708,998.20 = 53,905,365,934.80 : x
  2. Step 2: Convert to fraction form
    55,129,805,998.80/82,694,708,998.20 = 53,905,365,934.80/x
  3. Step 3: Cross multiply
    55,129,805,998.80x = 82,694,708,998.20 × 53,905,365,934.80
  4. Step 4: Simplify right side
    55,129,805,998.80x = 4,457,688,549,419,769,659,392
  5. Step 5: Solve for x
    x = 4,457,688,549,419,769,659,392/55,129,805,998.80
  6. Step 6: Final answer
    x = 80,858,048,902.20

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Double scale
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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.