Home / 218,355,051.62-327,423,052.46-72,737,418.26

Finding the Fourth Proportional to 218,355,051.62, 327,423,052.46 and 72,737,418.26

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Solution

The fourth proportional to 218,355,051.62, 327,423,052.46 and 72,737,418.26 is: 109,069,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,355,051.62 : 327,423,052.46 = 72,737,418.26 : x
  2. Step 2: Convert to fraction form
    218,355,051.62/327,423,052.46 = 72,737,418.26/x
  3. Step 3: Cross multiply
    218,355,051.62x = 327,423,052.46 × 72,737,418.26
  4. Step 4: Simplify right side
    218,355,051.62x = 23,815,907,512,748,136
  5. Step 5: Solve for x
    x = 23,815,907,512,748,136/218,355,051.62
  6. Step 6: Final answer
    x = 109,069,642.94

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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.