Home / 79,399,306.04-109,558,190.94-49,626,443.12

Finding the Fourth Proportional to 79,399,306.04, 109,558,190.94 and 49,626,443.12

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Solution

The fourth proportional to 79,399,306.04, 109,558,190.94 and 49,626,443.12 is: 68,476,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,399,306.04 : 109,558,190.94 = 49,626,443.12 : x
  2. Step 2: Convert to fraction form
    79,399,306.04/109,558,190.94 = 49,626,443.12/x
  3. Step 3: Cross multiply
    79,399,306.04x = 109,558,190.94 × 49,626,443.12
  4. Step 4: Simplify right side
    79,399,306.04x = 5,436,983,331,014,009
  5. Step 5: Solve for x
    x = 5,436,983,331,014,009/79,399,306.04
  6. Step 6: Final answer
    x = 68,476,459.08

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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.