Home / 39,619,158,930.17-54,674,872,856.15-21,554,777,838.05

Finding the Fourth Proportional to 39,619,158,930.17, 54,674,872,856.15 and 21,554,777,838.05

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Solution

The fourth proportional to 39,619,158,930.17, 54,674,872,856.15 and 21,554,777,838.05 is: 29,745,829,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,619,158,930.17 : 54,674,872,856.15 = 21,554,777,838.05 : x
  2. Step 2: Convert to fraction form
    39,619,158,930.17/54,674,872,856.15 = 21,554,777,838.05/x
  3. Step 3: Cross multiply
    39,619,158,930.17x = 54,674,872,856.15 × 21,554,777,838.05
  4. Step 4: Simplify right side
    39,619,158,930.17x = 1,178,504,737,737,562,259,456
  5. Step 5: Solve for x
    x = 1,178,504,737,737,562,259,456/39,619,158,930.17
  6. Step 6: Final answer
    x = 29,745,829,279.59

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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.