Home / 127,692,067.60-191,538,101.40-76,673,731.60

Finding the Fourth Proportional to 127,692,067.60, 191,538,101.40 and 76,673,731.60

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Solution

The fourth proportional to 127,692,067.60, 191,538,101.40 and 76,673,731.60 is: 115,010,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,692,067.60 : 191,538,101.40 = 76,673,731.60 : x
  2. Step 2: Convert to fraction form
    127,692,067.60/191,538,101.40 = 76,673,731.60/x
  3. Step 3: Cross multiply
    127,692,067.60x = 191,538,101.40 × 76,673,731.60
  4. Step 4: Simplify right side
    127,692,067.60x = 14,685,940,977,917,184
  5. Step 5: Solve for x
    x = 14,685,940,977,917,184/127,692,067.60
  6. Step 6: Final answer
    x = 115,010,597.40

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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.