Home / 86,936,067.40-130,404,101.10-56,702,979.40

Finding the Fourth Proportional to 86,936,067.40, 130,404,101.10 and 56,702,979.40

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Solution

The fourth proportional to 86,936,067.40, 130,404,101.10 and 56,702,979.40 is: 85,054,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,936,067.40 : 130,404,101.10 = 56,702,979.40 : x
  2. Step 2: Convert to fraction form
    86,936,067.40/130,404,101.10 = 56,702,979.40/x
  3. Step 3: Cross multiply
    86,936,067.40x = 130,404,101.10 × 56,702,979.40
  4. Step 4: Simplify right side
    86,936,067.40x = 7,394,301,058,348,817
  5. Step 5: Solve for x
    x = 7,394,301,058,348,817/86,936,067.40
  6. Step 6: Final answer
    x = 85,054,469.10

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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.