Home / 77,442,103.72-116,163,165.30-25,612,794.16

Finding the Fourth Proportional to 77,442,103.72, 116,163,165.30 and 25,612,794.16

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Solution

The fourth proportional to 77,442,103.72, 116,163,165.30 and 25,612,794.16 is: 38,419,194.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,442,103.72 : 116,163,165.30 = 25,612,794.16 : x
  2. Step 2: Convert to fraction form
    77,442,103.72/116,163,165.30 = 25,612,794.16/x
  3. Step 3: Cross multiply
    77,442,103.72x = 116,163,165.30 × 25,612,794.16
  4. Step 4: Simplify right side
    77,442,103.72x = 2,975,263,241,802,954.50
  5. Step 5: Solve for x
    x = 2,975,263,241,802,954.50/77,442,103.72
  6. Step 6: Final answer
    x = 38,419,194.45

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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.