Home / 86,936,067.90-130,404,101.85-56,702,979.90

Finding the Fourth Proportional to 86,936,067.90, 130,404,101.85 and 56,702,979.90

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Solution

The fourth proportional to 86,936,067.90, 130,404,101.85 and 56,702,979.90 is: 85,054,469.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,936,067.90 : 130,404,101.85 = 56,702,979.90 : x
  2. Step 2: Convert to fraction form
    86,936,067.90/130,404,101.85 = 56,702,979.90/x
  3. Step 3: Cross multiply
    86,936,067.90x = 130,404,101.85 × 56,702,979.90
  4. Step 4: Simplify right side
    86,936,067.90x = 7,394,301,166,078,102
  5. Step 5: Solve for x
    x = 7,394,301,166,078,102/86,936,067.90
  6. Step 6: Final answer
    x = 85,054,469.85

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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.