Home / 220,642,246.37-304,500,128.24-121,522,974.05

Finding the Fourth Proportional to 220,642,246.37, 304,500,128.24 and 121,522,974.05

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Solution

The fourth proportional to 220,642,246.37, 304,500,128.24 and 121,522,974.05 is: 167,709,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,642,246.37 : 304,500,128.24 = 121,522,974.05 : x
  2. Step 2: Convert to fraction form
    220,642,246.37/304,500,128.24 = 121,522,974.05/x
  3. Step 3: Cross multiply
    220,642,246.37x = 304,500,128.24 × 121,522,974.05
  4. Step 4: Simplify right side
    220,642,246.37x = 37,003,761,180,808,696
  5. Step 5: Solve for x
    x = 37,003,761,180,808,696/220,642,246.37
  6. Step 6: Final answer
    x = 167,709,320.36

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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.