Home / 213,697,850.44-320,602,041.26-125,141,209.36

Finding the Fourth Proportional to 213,697,850.44, 320,602,041.26 and 125,141,209.36

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Solution

The fourth proportional to 213,697,850.44, 320,602,041.26 and 125,141,209.36 is: 187,744,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,697,850.44 : 320,602,041.26 = 125,141,209.36 : x
  2. Step 2: Convert to fraction form
    213,697,850.44/320,602,041.26 = 125,141,209.36/x
  3. Step 3: Cross multiply
    213,697,850.44x = 320,602,041.26 × 125,141,209.36
  4. Step 4: Simplify right side
    213,697,850.44x = 40,120,527,166,561,016
  5. Step 5: Solve for x
    x = 40,120,527,166,561,016/213,697,850.44
  6. Step 6: Final answer
    x = 187,744,177.51

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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.