Home / 165,858,679.22-228,967,841.07-103,154,988.98

Finding the Fourth Proportional to 165,858,679.22, 228,967,841.07 and 103,154,988.98

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Solution

The fourth proportional to 165,858,679.22, 228,967,841.07 and 103,154,988.98 is: 142,405,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,858,679.22 : 228,967,841.07 = 103,154,988.98 : x
  2. Step 2: Convert to fraction form
    165,858,679.22/228,967,841.07 = 103,154,988.98/x
  3. Step 3: Cross multiply
    165,858,679.22x = 228,967,841.07 × 103,154,988.98
  4. Step 4: Simplify right side
    165,858,679.22x = 23,619,175,122,922,660
  5. Step 5: Solve for x
    x = 23,619,175,122,922,660/165,858,679.22
  6. Step 6: Final answer
    x = 142,405,421.50

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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.