Home / 215,845,231.90-323,767,847.85-146,970,478.30

Finding the Fourth Proportional to 215,845,231.90, 323,767,847.85 and 146,970,478.30

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Solution

The fourth proportional to 215,845,231.90, 323,767,847.85 and 146,970,478.30 is: 220,455,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,845,231.90 : 323,767,847.85 = 146,970,478.30 : x
  2. Step 2: Convert to fraction form
    215,845,231.90/323,767,847.85 = 146,970,478.30/x
  3. Step 3: Cross multiply
    215,845,231.90x = 323,767,847.85 × 146,970,478.30
  4. Step 4: Simplify right side
    215,845,231.90x = 47,584,315,456,676,136
  5. Step 5: Solve for x
    x = 47,584,315,456,676,136/215,845,231.90
  6. Step 6: Final answer
    x = 220,455,717.45

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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.