Home / 353,761,823.94-488,193,253.84-205,171,018.75

Finding the Fourth Proportional to 353,761,823.94, 488,193,253.84 and 205,171,018.75

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Solution

The fourth proportional to 353,761,823.94, 488,193,253.84 and 205,171,018.75 is: 283,137,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,761,823.94 : 488,193,253.84 = 205,171,018.75 : x
  2. Step 2: Convert to fraction form
    353,761,823.94/488,193,253.84 = 205,171,018.75/x
  3. Step 3: Cross multiply
    353,761,823.94x = 488,193,253.84 × 205,171,018.75
  4. Step 4: Simplify right side
    353,761,823.94x = 100,163,107,237,230,144
  5. Step 5: Solve for x
    x = 100,163,107,237,230,144/353,761,823.94
  6. Step 6: Final answer
    x = 283,137,129.16

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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.