Home / 165,815,200.68-248,938,333.44-127,503,618.88

Finding the Fourth Proportional to 165,815,200.68, 248,938,333.44 and 127,503,618.88

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Solution

The fourth proportional to 165,815,200.68, 248,938,333.44 and 127,503,618.88 is: 191,421,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,815,200.68 : 248,938,333.44 = 127,503,618.88 : x
  2. Step 2: Convert to fraction form
    165,815,200.68/248,938,333.44 = 127,503,618.88/x
  3. Step 3: Cross multiply
    165,815,200.68x = 248,938,333.44 × 127,503,618.88
  4. Step 4: Simplify right side
    165,815,200.68x = 31,740,538,391,556,116
  5. Step 5: Solve for x
    x = 31,740,538,391,556,116/165,815,200.68
  6. Step 6: Final answer
    x = 191,421,162.00

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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.