Home / 79,291,439.40-109,442,300.04-54,183,717.12

Finding the Fourth Proportional to 79,291,439.40, 109,442,300.04 and 54,183,717.12

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Solution

The fourth proportional to 79,291,439.40, 109,442,300.04 and 54,183,717.12 is: 74,787,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,291,439.40 : 109,442,300.04 = 54,183,717.12 : x
  2. Step 2: Convert to fraction form
    79,291,439.40/109,442,300.04 = 54,183,717.12/x
  3. Step 3: Cross multiply
    79,291,439.40x = 109,442,300.04 × 54,183,717.12
  4. Step 4: Simplify right side
    79,291,439.40x = 5,929,990,626,329,525
  5. Step 5: Solve for x
    x = 5,929,990,626,329,525/79,291,439.40
  6. Step 6: Final answer
    x = 74,787,274.28

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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.