Home / 131,868,512.60-197,820,958.46-76,562,393.84

Finding the Fourth Proportional to 131,868,512.60, 197,820,958.46 and 76,562,393.84

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Solution

The fourth proportional to 131,868,512.60, 197,820,958.46 and 76,562,393.84 is: 114,854,151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,868,512.60 : 197,820,958.46 = 76,562,393.84 : x
  2. Step 2: Convert to fraction form
    131,868,512.60/197,820,958.46 = 76,562,393.84/x
  3. Step 3: Cross multiply
    131,868,512.60x = 197,820,958.46 × 76,562,393.84
  4. Step 4: Simplify right side
    131,868,512.60x = 15,145,646,130,790,714
  5. Step 5: Solve for x
    x = 15,145,646,130,790,714/131,868,512.60
  6. Step 6: Final answer
    x = 114,854,151.55

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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.