Home / 215,703,670.30-323,555,505.45-179,831,402.80

Finding the Fourth Proportional to 215,703,670.30, 323,555,505.45 and 179,831,402.80

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Solution

The fourth proportional to 215,703,670.30, 323,555,505.45 and 179,831,402.80 is: 269,747,104.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,703,670.30 : 323,555,505.45 = 179,831,402.80 : x
  2. Step 2: Convert to fraction form
    215,703,670.30/323,555,505.45 = 179,831,402.80/x
  3. Step 3: Cross multiply
    215,703,670.30x = 323,555,505.45 × 179,831,402.80
  4. Step 4: Simplify right side
    215,703,670.30x = 58,185,440,428,736,544
  5. Step 5: Solve for x
    x = 58,185,440,428,736,544/215,703,670.30
  6. Step 6: Final answer
    x = 269,747,104.20

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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.