Home / 219,061,079,766.89-302,304,060,803.97-122,717,844,404.30

Finding the Fourth Proportional to 219,061,079,766.89, 302,304,060,803.97 and 122,717,844,404.30

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Solution

The fourth proportional to 219,061,079,766.89, 302,304,060,803.97 and 122,717,844,404.30 is: 169,350,496,838.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,061,079,766.89 : 302,304,060,803.97 = 122,717,844,404.30 : x
  2. Step 2: Convert to fraction form
    219,061,079,766.89/302,304,060,803.97 = 122,717,844,404.30/x
  3. Step 3: Cross multiply
    219,061,079,766.89x = 302,304,060,803.97 × 122,717,844,404.30
  4. Step 4: Simplify right side
    219,061,079,766.89x = 37,098,102,696,529,635,573,760
  5. Step 5: Solve for x
    x = 37,098,102,696,529,635,573,760/219,061,079,766.89
  6. Step 6: Final answer
    x = 169,350,496,838.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.