Home / 98,958,482,015.24-148,483,374,419.82-45,192,100,082.78

Finding the Fourth Proportional to 98,958,482,015.24, 148,483,374,419.82 and 45,192,100,082.78

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Solution

The fourth proportional to 98,958,482,015.24, 148,483,374,419.82 and 45,192,100,082.78 is: 67,808,998,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,958,482,015.24 : 148,483,374,419.82 = 45,192,100,082.78 : x
  2. Step 2: Convert to fraction form
    98,958,482,015.24/148,483,374,419.82 = 45,192,100,082.78/x
  3. Step 3: Cross multiply
    98,958,482,015.24x = 148,483,374,419.82 × 45,192,100,082.78
  4. Step 4: Simplify right side
    98,958,482,015.24x = 6,710,275,517,409,400,979,456
  5. Step 5: Solve for x
    x = 6,710,275,517,409,400,979,456/98,958,482,015.24
  6. Step 6: Final answer
    x = 67,808,998,084.43

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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.