Home / 97,470,170.90-146,205,256.35-75,787,378.10

Finding the Fourth Proportional to 97,470,170.90, 146,205,256.35 and 75,787,378.10

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Solution

The fourth proportional to 97,470,170.90, 146,205,256.35 and 75,787,378.10 is: 113,681,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,470,170.90 : 146,205,256.35 = 75,787,378.10 : x
  2. Step 2: Convert to fraction form
    97,470,170.90/146,205,256.35 = 75,787,378.10/x
  3. Step 3: Cross multiply
    97,470,170.90x = 146,205,256.35 × 75,787,378.10
  4. Step 4: Simplify right side
    97,470,170.90x = 11,080,513,043,204,874
  5. Step 5: Solve for x
    x = 11,080,513,043,204,874/97,470,170.90
  6. Step 6: Final answer
    x = 113,681,067.15

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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.