Home / 86,435,612.62-129,653,640.38-35,317,631.44

Finding the Fourth Proportional to 86,435,612.62, 129,653,640.38 and 35,317,631.44

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Solution

The fourth proportional to 86,435,612.62, 129,653,640.38 and 35,317,631.44 is: 52,976,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,435,612.62 : 129,653,640.38 = 35,317,631.44 : x
  2. Step 2: Convert to fraction form
    86,435,612.62/129,653,640.38 = 35,317,631.44/x
  3. Step 3: Cross multiply
    86,435,612.62x = 129,653,640.38 × 35,317,631.44
  4. Step 4: Simplify right side
    86,435,612.62x = 4,579,059,485,795,141
  5. Step 5: Solve for x
    x = 4,579,059,485,795,141/86,435,612.62
  6. Step 6: Final answer
    x = 52,976,537.64

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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.