Home / 79,399,305.04-109,558,189.56-49,626,442.12

Finding the Fourth Proportional to 79,399,305.04, 109,558,189.56 and 49,626,442.12

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Solution

The fourth proportional to 79,399,305.04, 109,558,189.56 and 49,626,442.12 is: 68,476,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,399,305.04 : 109,558,189.56 = 49,626,442.12 : x
  2. Step 2: Convert to fraction form
    79,399,305.04/109,558,189.56 = 49,626,442.12/x
  3. Step 3: Cross multiply
    79,399,305.04x = 109,558,189.56 × 49,626,442.12
  4. Step 4: Simplify right side
    79,399,305.04x = 5,436,983,152,971,328
  5. Step 5: Solve for x
    x = 5,436,983,152,971,328/79,399,305.04
  6. Step 6: Final answer
    x = 68,476,457.70

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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.