Home / 79,291,428.92-109,442,285.52-54,183,706.64

Finding the Fourth Proportional to 79,291,428.92, 109,442,285.52 and 54,183,706.64

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Solution

The fourth proportional to 79,291,428.92, 109,442,285.52 and 54,183,706.64 is: 74,787,259.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,291,428.92 : 109,442,285.52 = 54,183,706.64 : x
  2. Step 2: Convert to fraction form
    79,291,428.92/109,442,285.52 = 54,183,706.64/x
  3. Step 3: Cross multiply
    79,291,428.92x = 109,442,285.52 × 54,183,706.64
  4. Step 4: Simplify right side
    79,291,428.92x = 5,929,988,692,079,588
  5. Step 5: Solve for x
    x = 5,929,988,692,079,588/79,291,428.92
  6. Step 6: Final answer
    x = 74,787,259.77

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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.