Home / 101,361,882.25-139,994,871.11-68,710,147.21

Finding the Fourth Proportional to 101,361,882.25, 139,994,871.11 and 68,710,147.21

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Solution

The fourth proportional to 101,361,882.25, 139,994,871.11 and 68,710,147.21 is: 94,898,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,361,882.25 : 139,994,871.11 = 68,710,147.21 : x
  2. Step 2: Convert to fraction form
    101,361,882.25/139,994,871.11 = 68,710,147.21/x
  3. Step 3: Cross multiply
    101,361,882.25x = 139,994,871.11 × 68,710,147.21
  4. Step 4: Simplify right side
    101,361,882.25x = 9,619,068,202,613,076
  5. Step 5: Solve for x
    x = 9,619,068,202,613,076/101,361,882.25
  6. Step 6: Final answer
    x = 94,898,279.21

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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.