Home / 215,886,288.40-323,717,458.20-79,501,469.20

Finding the Fourth Proportional to 215,886,288.40, 323,717,458.20 and 79,501,469.20

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Solution

The fourth proportional to 215,886,288.40, 323,717,458.20 and 79,501,469.20 is: 119,210,968.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,886,288.40 : 323,717,458.20 = 79,501,469.20 : x
  2. Step 2: Convert to fraction form
    215,886,288.40/323,717,458.20 = 79,501,469.20/x
  3. Step 3: Cross multiply
    215,886,288.40x = 323,717,458.20 × 79,501,469.20
  4. Step 4: Simplify right side
    215,886,288.40x = 25,736,013,532,589,588
  5. Step 5: Solve for x
    x = 25,736,013,532,589,588/215,886,288.40
  6. Step 6: Final answer
    x = 119,210,968.53

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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.