Home / 165,815,198.66-248,938,330.44-127,503,616.88

Finding the Fourth Proportional to 165,815,198.66, 248,938,330.44 and 127,503,616.88

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Solution

The fourth proportional to 165,815,198.66, 248,938,330.44 and 127,503,616.88 is: 191,421,159.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,815,198.66 : 248,938,330.44 = 127,503,616.88 : x
  2. Step 2: Convert to fraction form
    165,815,198.66/248,938,330.44 = 127,503,616.88/x
  3. Step 3: Cross multiply
    165,815,198.66x = 248,938,330.44 × 127,503,616.88
  4. Step 4: Simplify right side
    165,815,198.66x = 31,740,537,511,168,600
  5. Step 5: Solve for x
    x = 31,740,537,511,168,600/165,815,198.66
  6. Step 6: Final answer
    x = 191,421,159.02

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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.