Home / 215,845,223.40-323,767,835.10-146,970,469.80

Finding the Fourth Proportional to 215,845,223.40, 323,767,835.10 and 146,970,469.80

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Solution

The fourth proportional to 215,845,223.40, 323,767,835.10 and 146,970,469.80 is: 220,455,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,845,223.40 : 323,767,835.10 = 146,970,469.80 : x
  2. Step 2: Convert to fraction form
    215,845,223.40/323,767,835.10 = 146,970,469.80/x
  3. Step 3: Cross multiply
    215,845,223.40x = 323,767,835.10 × 146,970,469.80
  4. Step 4: Simplify right side
    215,845,223.40x = 47,584,310,830,775,936
  5. Step 5: Solve for x
    x = 47,584,310,830,775,936/215,845,223.40
  6. Step 6: Final answer
    x = 220,455,704.70

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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.