Home / 215,845,240.90-323,767,861.35-146,970,487.30

Finding the Fourth Proportional to 215,845,240.90, 323,767,861.35 and 146,970,487.30

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Solution

The fourth proportional to 215,845,240.90, 323,767,861.35 and 146,970,487.30 is: 220,455,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,845,240.90 : 323,767,861.35 = 146,970,487.30 : x
  2. Step 2: Convert to fraction form
    215,845,240.90/323,767,861.35 = 146,970,487.30/x
  3. Step 3: Cross multiply
    215,845,240.90x = 323,767,861.35 × 146,970,487.30
  4. Step 4: Simplify right side
    215,845,240.90x = 47,584,320,354,688,344
  5. Step 5: Solve for x
    x = 47,584,320,354,688,344/215,845,240.90
  6. Step 6: Final answer
    x = 220,455,730.95

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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.