Home / 82,579,680.62-113,967,221.39-45,416,509.02

Finding the Fourth Proportional to 82,579,680.62, 113,967,221.39 and 45,416,509.02

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Solution

The fourth proportional to 82,579,680.62, 113,967,221.39 and 45,416,509.02 is: 62,678,776.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,579,680.62 : 113,967,221.39 = 45,416,509.02 : x
  2. Step 2: Convert to fraction form
    82,579,680.62/113,967,221.39 = 45,416,509.02/x
  3. Step 3: Cross multiply
    82,579,680.62x = 113,967,221.39 × 45,416,509.02
  4. Step 4: Simplify right side
    82,579,680.62x = 5,175,993,338,016,190
  5. Step 5: Solve for x
    x = 5,175,993,338,016,190/82,579,680.62
  6. Step 6: Final answer
    x = 62,678,776.42

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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.