Home / 99,479,915.80-149,166,729.60-41,907,140.80

Finding the Fourth Proportional to 99,479,915.80, 149,166,729.60 and 41,907,140.80

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Solution

The fourth proportional to 99,479,915.80, 149,166,729.60 and 41,907,140.80 is: 62,838,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,479,915.80 : 149,166,729.60 = 41,907,140.80 : x
  2. Step 2: Convert to fraction form
    99,479,915.80/149,166,729.60 = 41,907,140.80/x
  3. Step 3: Cross multiply
    99,479,915.80x = 149,166,729.60 × 41,907,140.80
  4. Step 4: Simplify right side
    99,479,915.80x = 6,251,151,140,022,727
  5. Step 5: Solve for x
    x = 6,251,151,140,022,727/99,479,915.80
  6. Step 6: Final answer
    x = 62,838,323.59

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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.