Home / 203,487,467.28-305,367,263.31-86,930,062.44

Finding the Fourth Proportional to 203,487,467.28, 305,367,263.31 and 86,930,062.44

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Solution

The fourth proportional to 203,487,467.28, 305,367,263.31 and 86,930,062.44 is: 130,453,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,487,467.28 : 305,367,263.31 = 86,930,062.44 : x
  2. Step 2: Convert to fraction form
    203,487,467.28/305,367,263.31 = 86,930,062.44/x
  3. Step 3: Cross multiply
    203,487,467.28x = 305,367,263.31 × 86,930,062.44
  4. Step 4: Simplify right side
    203,487,467.28x = 26,545,595,266,670,220
  5. Step 5: Solve for x
    x = 26,545,595,266,670,220/203,487,467.28
  6. Step 6: Final answer
    x = 130,453,219.66

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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.