Home / 110,664,743.80-165,997,115.70-72,444,148.60

Finding the Fourth Proportional to 110,664,743.80, 165,997,115.70 and 72,444,148.60

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Solution

The fourth proportional to 110,664,743.80, 165,997,115.70 and 72,444,148.60 is: 108,666,222.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,664,743.80 : 165,997,115.70 = 72,444,148.60 : x
  2. Step 2: Convert to fraction form
    110,664,743.80/165,997,115.70 = 72,444,148.60/x
  3. Step 3: Cross multiply
    110,664,743.80x = 165,997,115.70 × 72,444,148.60
  4. Step 4: Simplify right side
    110,664,743.80x = 12,025,519,716,942,192
  5. Step 5: Solve for x
    x = 12,025,519,716,942,192/110,664,743.80
  6. Step 6: Final answer
    x = 108,666,222.90

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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.