Home / 86,538,067.60-129,807,101.40-25,127,107.60

Finding the Fourth Proportional to 86,538,067.60, 129,807,101.40 and 25,127,107.60

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Solution

The fourth proportional to 86,538,067.60, 129,807,101.40 and 25,127,107.60 is: 37,690,661.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,538,067.60 : 129,807,101.40 = 25,127,107.60 : x
  2. Step 2: Convert to fraction form
    86,538,067.60/129,807,101.40 = 25,127,107.60/x
  3. Step 3: Cross multiply
    86,538,067.60x = 129,807,101.40 × 25,127,107.60
  4. Step 4: Simplify right side
    86,538,067.60x = 3,261,677,004,121,911
  5. Step 5: Solve for x
    x = 3,261,677,004,121,911/86,538,067.60
  6. Step 6: Final answer
    x = 37,690,661.40

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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.