Home / 143,607,181,015.80-215,410,771,523.70-84,834,057,943.80

Finding the Fourth Proportional to 143,607,181,015.80, 215,410,771,523.70 and 84,834,057,943.80

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Solution

The fourth proportional to 143,607,181,015.80, 215,410,771,523.70 and 84,834,057,943.80 is: 127,251,086,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,607,181,015.80 : 215,410,771,523.70 = 84,834,057,943.80 : x
  2. Step 2: Convert to fraction form
    143,607,181,015.80/215,410,771,523.70 = 84,834,057,943.80/x
  3. Step 3: Cross multiply
    143,607,181,015.80x = 215,410,771,523.70 × 84,834,057,943.80
  4. Step 4: Simplify right side
    143,607,181,015.80x = 18,274,169,873,160,231,452,672
  5. Step 5: Solve for x
    x = 18,274,169,873,160,231,452,672/143,607,181,015.80
  6. Step 6: Final answer
    x = 127,251,086,915.70

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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.