Home / 112,338,651.80-168,256,035.30-92,183,259.80

Finding the Fourth Proportional to 112,338,651.80, 168,256,035.30 and 92,183,259.80

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Solution

The fourth proportional to 112,338,651.80, 168,256,035.30 and 92,183,259.80 is: 138,068,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,338,651.80 : 168,256,035.30 = 92,183,259.80 : x
  2. Step 2: Convert to fraction form
    112,338,651.80/168,256,035.30 = 92,183,259.80/x
  3. Step 3: Cross multiply
    112,338,651.80x = 168,256,035.30 × 92,183,259.80
  4. Step 4: Simplify right side
    112,338,651.80x = 15,510,389,814,977,872
  5. Step 5: Solve for x
    x = 15,510,389,814,977,872/112,338,651.80
  6. Step 6: Final answer
    x = 138,068,149.89

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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.