Home / 98,344,656.32-135,712,067.85-54,290,709.22

Finding the Fourth Proportional to 98,344,656.32, 135,712,067.85 and 54,290,709.22

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Solution

The fourth proportional to 98,344,656.32, 135,712,067.85 and 54,290,709.22 is: 74,919,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,344,656.32 : 135,712,067.85 = 54,290,709.22 : x
  2. Step 2: Convert to fraction form
    98,344,656.32/135,712,067.85 = 54,290,709.22/x
  3. Step 3: Cross multiply
    98,344,656.32x = 135,712,067.85 × 54,290,709.22
  4. Step 4: Simplify right side
    98,344,656.32x = 7,367,904,413,356,997
  5. Step 5: Solve for x
    x = 7,367,904,413,356,997/98,344,656.32
  6. Step 6: Final answer
    x = 74,919,214.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.