Home / 150,429,350.82-225,413,903.95-80,409,539.67

Finding the Fourth Proportional to 150,429,350.82, 225,413,903.95 and 80,409,539.67

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Solution

The fourth proportional to 150,429,350.82, 225,413,903.95 and 80,409,539.67 is: 120,491,301.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,429,350.82 : 225,413,903.95 = 80,409,539.67 : x
  2. Step 2: Convert to fraction form
    150,429,350.82/225,413,903.95 = 80,409,539.67/x
  3. Step 3: Cross multiply
    150,429,350.82x = 225,413,903.95 × 80,409,539.67
  4. Step 4: Simplify right side
    150,429,350.82x = 18,125,428,250,790,768
  5. Step 5: Solve for x
    x = 18,125,428,250,790,768/150,429,350.82
  6. Step 6: Final answer
    x = 120,491,301.41

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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.