Home / 142,150,173.12-213,225,290.40-51,273,754.56

Finding the Fourth Proportional to 142,150,173.12, 213,225,290.40 and 51,273,754.56

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Solution

The fourth proportional to 142,150,173.12, 213,225,290.40 and 51,273,754.56 is: 76,910,642.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,150,173.12 : 213,225,290.40 = 51,273,754.56 : x
  2. Step 2: Convert to fraction form
    142,150,173.12/213,225,290.40 = 51,273,754.56/x
  3. Step 3: Cross multiply
    142,150,173.12x = 213,225,290.40 × 51,273,754.56
  4. Step 4: Simplify right side
    142,150,173.12x = 10,932,861,205,954,326
  5. Step 5: Solve for x
    x = 10,932,861,205,954,326/142,150,173.12
  6. Step 6: Final answer
    x = 76,910,642.92

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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.