Home / 202,143,043.86-278,957,586.50-109,323,551.67

Finding the Fourth Proportional to 202,143,043.86, 278,957,586.50 and 109,323,551.67

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Solution

The fourth proportional to 202,143,043.86, 278,957,586.50 and 109,323,551.67 is: 150,866,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,143,043.86 : 278,957,586.50 = 109,323,551.67 : x
  2. Step 2: Convert to fraction form
    202,143,043.86/278,957,586.50 = 109,323,551.67/x
  3. Step 3: Cross multiply
    202,143,043.86x = 278,957,586.50 × 109,323,551.67
  4. Step 4: Simplify right side
    202,143,043.86x = 30,496,634,121,471,244
  5. Step 5: Solve for x
    x = 30,496,634,121,471,244/202,143,043.86
  6. Step 6: Final answer
    x = 150,866,601.88

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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.