Home / 115,168,197.75-158,933,170.41-65,607,836.91

Finding the Fourth Proportional to 115,168,197.75, 158,933,170.41 and 65,607,836.91

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Solution

The fourth proportional to 115,168,197.75, 158,933,170.41 and 65,607,836.91 is: 90,539,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,168,197.75 : 158,933,170.41 = 65,607,836.91 : x
  2. Step 2: Convert to fraction form
    115,168,197.75/158,933,170.41 = 65,607,836.91/x
  3. Step 3: Cross multiply
    115,168,197.75x = 158,933,170.41 × 65,607,836.91
  4. Step 4: Simplify right side
    115,168,197.75x = 10,427,261,523,848,518
  5. Step 5: Solve for x
    x = 10,427,261,523,848,518/115,168,197.75
  6. Step 6: Final answer
    x = 90,539,417.37

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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.