Home / 99,650,885.80-149,476,328.70-91,336,786.60

Finding the Fourth Proportional to 99,650,885.80, 149,476,328.70 and 91,336,786.60

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Solution

The fourth proportional to 99,650,885.80, 149,476,328.70 and 91,336,786.60 is: 137,005,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,650,885.80 : 149,476,328.70 = 91,336,786.60 : x
  2. Step 2: Convert to fraction form
    99,650,885.80/149,476,328.70 = 91,336,786.60/x
  3. Step 3: Cross multiply
    99,650,885.80x = 149,476,328.70 × 91,336,786.60
  4. Step 4: Simplify right side
    99,650,885.80x = 13,652,687,536,223,354
  5. Step 5: Solve for x
    x = 13,652,687,536,223,354/99,650,885.80
  6. Step 6: Final answer
    x = 137,005,179.90

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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.