Home / 79,447,902.48-119,174,089.92-21,940,173.90

Finding the Fourth Proportional to 79,447,902.48, 119,174,089.92 and 21,940,173.90

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Solution

The fourth proportional to 79,447,902.48, 119,174,089.92 and 21,940,173.90 is: 32,910,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,447,902.48 : 119,174,089.92 = 21,940,173.90 : x
  2. Step 2: Convert to fraction form
    79,447,902.48/119,174,089.92 = 21,940,173.90/x
  3. Step 3: Cross multiply
    79,447,902.48x = 119,174,089.92 × 21,940,173.90
  4. Step 4: Simplify right side
    79,447,902.48x = 2,614,700,257,219,037
  5. Step 5: Solve for x
    x = 2,614,700,257,219,037/79,447,902.48
  6. Step 6: Final answer
    x = 32,910,878.39

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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.