Home / 99,850,732.80-149,776,099.20-65,810,515.20

Finding the Fourth Proportional to 99,850,732.80, 149,776,099.20 and 65,810,515.20

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Solution

The fourth proportional to 99,850,732.80, 149,776,099.20 and 65,810,515.20 is: 98,715,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,850,732.80 : 149,776,099.20 = 65,810,515.20 : x
  2. Step 2: Convert to fraction form
    99,850,732.80/149,776,099.20 = 65,810,515.20/x
  3. Step 3: Cross multiply
    99,850,732.80x = 149,776,099.20 × 65,810,515.20
  4. Step 4: Simplify right side
    99,850,732.80x = 9,856,842,252,998,308
  5. Step 5: Solve for x
    x = 9,856,842,252,998,308/99,850,732.80
  6. Step 6: Final answer
    x = 98,715,772.80

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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.