Home / 82,211,492.82-123,317,192.03-76,763,398.37

Finding the Fourth Proportional to 82,211,492.82, 123,317,192.03 and 76,763,398.37

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Solution

The fourth proportional to 82,211,492.82, 123,317,192.03 and 76,763,398.37 is: 115,145,053.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,211,492.82 : 123,317,192.03 = 76,763,398.37 : x
  2. Step 2: Convert to fraction form
    82,211,492.82/123,317,192.03 = 76,763,398.37/x
  3. Step 3: Cross multiply
    82,211,492.82x = 123,317,192.03 × 76,763,398.37
  4. Step 4: Simplify right side
    82,211,492.82x = 9,466,246,736,668,276
  5. Step 5: Solve for x
    x = 9,466,246,736,668,276/82,211,492.82
  6. Step 6: Final answer
    x = 115,145,053.47

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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.