Home / 110,664,731.80-165,997,097.70-72,444,136.60

Finding the Fourth Proportional to 110,664,731.80, 165,997,097.70 and 72,444,136.60

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Solution

The fourth proportional to 110,664,731.80, 165,997,097.70 and 72,444,136.60 is: 108,666,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,664,731.80 : 165,997,097.70 = 72,444,136.60 : x
  2. Step 2: Convert to fraction form
    110,664,731.80/165,997,097.70 = 72,444,136.60/x
  3. Step 3: Cross multiply
    110,664,731.80x = 165,997,097.70 × 72,444,136.60
  4. Step 4: Simplify right side
    110,664,731.80x = 12,025,516,420,982,344
  5. Step 5: Solve for x
    x = 12,025,516,420,982,344/110,664,731.80
  6. Step 6: Final answer
    x = 108,666,204.90

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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.