Home / 130,135,168.62-179,588,365.02-71,396,766.36

Finding the Fourth Proportional to 130,135,168.62, 179,588,365.02 and 71,396,766.36

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Solution

The fourth proportional to 130,135,168.62, 179,588,365.02 and 71,396,766.36 is: 98,528,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,135,168.62 : 179,588,365.02 = 71,396,766.36 : x
  2. Step 2: Convert to fraction form
    130,135,168.62/179,588,365.02 = 71,396,766.36/x
  3. Step 3: Cross multiply
    130,135,168.62x = 179,588,365.02 × 71,396,766.36
  4. Step 4: Simplify right side
    130,135,168.62x = 12,822,028,538,307,338
  5. Step 5: Solve for x
    x = 12,822,028,538,307,338/130,135,168.62
  6. Step 6: Final answer
    x = 98,528,542.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.