Home / 79,498,127.81-109,633,399.93-51,590,998.38

Finding the Fourth Proportional to 79,498,127.81, 109,633,399.93 and 51,590,998.38

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Solution

The fourth proportional to 79,498,127.81, 109,633,399.93 and 51,590,998.38 is: 71,147,544.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,498,127.81 : 109,633,399.93 = 51,590,998.38 : x
  2. Step 2: Convert to fraction form
    79,498,127.81/109,633,399.93 = 51,590,998.38/x
  3. Step 3: Cross multiply
    79,498,127.81x = 109,633,399.93 × 51,590,998.38
  4. Step 4: Simplify right side
    79,498,127.81x = 5,656,096,558,182,523
  5. Step 5: Solve for x
    x = 5,656,096,558,182,523/79,498,127.81
  6. Step 6: Final answer
    x = 71,147,544.15

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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.