Home / 21,316,029,105.80-31,992,410,269.38-14,777,519,164.04

Finding the Fourth Proportional to 21,316,029,105.80, 31,992,410,269.38 and 14,777,519,164.04

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Solution

The fourth proportional to 21,316,029,105.80, 31,992,410,269.38 and 14,777,519,164.04 is: 22,179,011,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,316,029,105.80 : 31,992,410,269.38 = 14,777,519,164.04 : x
  2. Step 2: Convert to fraction form
    21,316,029,105.80/31,992,410,269.38 = 14,777,519,164.04/x
  3. Step 3: Cross multiply
    21,316,029,105.80x = 31,992,410,269.38 × 14,777,519,164.04
  4. Step 4: Simplify right side
    21,316,029,105.80x = 472,768,455,859,593,084,928
  5. Step 5: Solve for x
    x = 472,768,455,859,593,084,928/21,316,029,105.80
  6. Step 6: Final answer
    x = 22,179,011,555.72

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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.