Home / 79,440,741.99-119,160,936.81-21,148,434.27

Finding the Fourth Proportional to 79,440,741.99, 119,160,936.81 and 21,148,434.27

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Solution

The fourth proportional to 79,440,741.99, 119,160,936.81 and 21,148,434.27 is: 31,722,604.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,440,741.99 : 119,160,936.81 = 21,148,434.27 : x
  2. Step 2: Convert to fraction form
    79,440,741.99/119,160,936.81 = 21,148,434.27/x
  3. Step 3: Cross multiply
    79,440,741.99x = 119,160,936.81 × 21,148,434.27
  4. Step 4: Simplify right side
    79,440,741.99x = 2,520,067,239,677,908.50
  5. Step 5: Solve for x
    x = 2,520,067,239,677,908.50/79,440,741.99
  6. Step 6: Final answer
    x = 31,722,604.50

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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.