Home / 161,890,505.83-242,781,380.36-52,689,994.80

Finding the Fourth Proportional to 161,890,505.83, 242,781,380.36 and 52,689,994.80

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Solution

The fourth proportional to 161,890,505.83, 242,781,380.36 and 52,689,994.80 is: 79,017,293.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,890,505.83 : 242,781,380.36 = 52,689,994.80 : x
  2. Step 2: Convert to fraction form
    161,890,505.83/242,781,380.36 = 52,689,994.80/x
  3. Step 3: Cross multiply
    161,890,505.83x = 242,781,380.36 × 52,689,994.80
  4. Step 4: Simplify right side
    161,890,505.83x = 12,792,149,667,728,928
  5. Step 5: Solve for x
    x = 12,792,149,667,728,928/161,890,505.83
  6. Step 6: Final answer
    x = 79,017,293.83

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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.