Home / 99,624,121.20-149,436,181.80-65,583,903.60

Finding the Fourth Proportional to 99,624,121.20, 149,436,181.80 and 65,583,903.60

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Solution

The fourth proportional to 99,624,121.20, 149,436,181.80 and 65,583,903.60 is: 98,375,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,624,121.20 : 149,436,181.80 = 65,583,903.60 : x
  2. Step 2: Convert to fraction form
    99,624,121.20/149,436,181.80 = 65,583,903.60/x
  3. Step 3: Cross multiply
    99,624,121.20x = 149,436,181.80 × 65,583,903.60
  4. Step 4: Simplify right side
    99,624,121.20x = 9,800,608,141,523,276
  5. Step 5: Solve for x
    x = 9,800,608,141,523,276/99,624,121.20
  6. Step 6: Final answer
    x = 98,375,855.40

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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.