Home / 48,212,611.68-72,318,917.52-21,280,902.24

Finding the Fourth Proportional to 48,212,611.68, 72,318,917.52 and 21,280,902.24

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Solution

The fourth proportional to 48,212,611.68, 72,318,917.52 and 21,280,902.24 is: 31,921,353.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,212,611.68 : 72,318,917.52 = 21,280,902.24 : x
  2. Step 2: Convert to fraction form
    48,212,611.68/72,318,917.52 = 21,280,902.24/x
  3. Step 3: Cross multiply
    48,212,611.68x = 72,318,917.52 × 21,280,902.24
  4. Step 4: Simplify right side
    48,212,611.68x = 1,539,011,813,845,743
  5. Step 5: Solve for x
    x = 1,539,011,813,845,743/48,212,611.68
  6. Step 6: Final answer
    x = 31,921,353.36

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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.