Home / 99,143,648,190.96-148,744,649,892.20-31,989,633,454.64

Finding the Fourth Proportional to 99,143,648,190.96, 148,744,649,892.20 and 31,989,633,454.64

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Solution

The fourth proportional to 99,143,648,190.96, 148,744,649,892.20 and 31,989,633,454.64 is: 47,993,864,611.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,143,648,190.96 : 148,744,649,892.20 = 31,989,633,454.64 : x
  2. Step 2: Convert to fraction form
    99,143,648,190.96/148,744,649,892.20 = 31,989,633,454.64/x
  3. Step 3: Cross multiply
    99,143,648,190.96x = 148,744,649,892.20 × 31,989,633,454.64
  4. Step 4: Simplify right side
    99,143,648,190.96x = 4,758,286,828,389,491,802,112
  5. Step 5: Solve for x
    x = 4,758,286,828,389,491,802,112/99,143,648,190.96
  6. Step 6: Final answer
    x = 47,993,864,611.73

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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.