Home / 86,203,894.66-129,346,198.30-37,675,442.78

Finding the Fourth Proportional to 86,203,894.66, 129,346,198.30 and 37,675,442.78

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Solution

The fourth proportional to 86,203,894.66, 129,346,198.30 and 37,675,442.78 is: 56,530,801.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,203,894.66 : 129,346,198.30 = 37,675,442.78 : x
  2. Step 2: Convert to fraction form
    86,203,894.66/129,346,198.30 = 37,675,442.78/x
  3. Step 3: Cross multiply
    86,203,894.66x = 129,346,198.30 × 37,675,442.78
  4. Step 4: Simplify right side
    86,203,894.66x = 4,873,175,293,263,431
  5. Step 5: Solve for x
    x = 4,873,175,293,263,431/86,203,894.66
  6. Step 6: Final answer
    x = 56,530,801.92

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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.