Home / 21,403,700,338.74-32,109,685,067.25-8,137,927,175.82

Finding the Fourth Proportional to 21,403,700,338.74, 32,109,685,067.25 and 8,137,927,175.82

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Solution

The fourth proportional to 21,403,700,338.74, 32,109,685,067.25 and 8,137,927,175.82 is: 12,208,462,769.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,403,700,338.74 : 32,109,685,067.25 = 8,137,927,175.82 : x
  2. Step 2: Convert to fraction form
    21,403,700,338.74/32,109,685,067.25 = 8,137,927,175.82/x
  3. Step 3: Cross multiply
    21,403,700,338.74x = 32,109,685,067.25 × 8,137,927,175.82
  4. Step 4: Simplify right side
    21,403,700,338.74x = 261,306,278,715,795,406,848
  5. Step 5: Solve for x
    x = 261,306,278,715,795,406,848/21,403,700,338.74
  6. Step 6: Final answer
    x = 12,208,462,769.54

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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.