Home / 225,658,817.12-311,453,827.48-146,372,137.88

Finding the Fourth Proportional to 225,658,817.12, 311,453,827.48 and 146,372,137.88

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Solution

The fourth proportional to 225,658,817.12, 311,453,827.48 and 146,372,137.88 is: 202,022,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,658,817.12 : 311,453,827.48 = 146,372,137.88 : x
  2. Step 2: Convert to fraction form
    225,658,817.12/311,453,827.48 = 146,372,137.88/x
  3. Step 3: Cross multiply
    225,658,817.12x = 311,453,827.48 × 146,372,137.88
  4. Step 4: Simplify right side
    225,658,817.12x = 45,588,162,579,535,472
  5. Step 5: Solve for x
    x = 45,588,162,579,535,472/225,658,817.12
  6. Step 6: Final answer
    x = 202,022,518.60

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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.