Home / 220,852,968.30-331,276,342.05-99,684,225.90

Finding the Fourth Proportional to 220,852,968.30, 331,276,342.05 and 99,684,225.90

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Solution

The fourth proportional to 220,852,968.30, 331,276,342.05 and 99,684,225.90 is: 149,524,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,852,968.30 : 331,276,342.05 = 99,684,225.90 : x
  2. Step 2: Convert to fraction form
    220,852,968.30/331,276,342.05 = 99,684,225.90/x
  3. Step 3: Cross multiply
    220,852,968.30x = 331,276,342.05 × 99,684,225.90
  4. Step 4: Simplify right side
    220,852,968.30x = 33,023,025,716,237,872
  5. Step 5: Solve for x
    x = 33,023,025,716,237,872/220,852,968.30
  6. Step 6: Final answer
    x = 149,524,934.94

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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.