Home / 80,206,646.45-120,325,437.09-34,147,671.93

Finding the Fourth Proportional to 80,206,646.45, 120,325,437.09 and 34,147,671.93

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Solution

The fourth proportional to 80,206,646.45, 120,325,437.09 and 34,147,671.93 is: 51,228,093.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,206,646.45 : 120,325,437.09 = 34,147,671.93 : x
  2. Step 2: Convert to fraction form
    80,206,646.45/120,325,437.09 = 34,147,671.93/x
  3. Step 3: Cross multiply
    80,206,646.45x = 120,325,437.09 × 34,147,671.93
  4. Step 4: Simplify right side
    80,206,646.45x = 4,108,833,550,583,174
  5. Step 5: Solve for x
    x = 4,108,833,550,583,174/80,206,646.45
  6. Step 6: Final answer
    x = 51,228,093.09

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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.