Home / 79,788,051.27-119,682,109.71-19,203,777.27

Finding the Fourth Proportional to 79,788,051.27, 119,682,109.71 and 19,203,777.27

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Solution

The fourth proportional to 79,788,051.27, 119,682,109.71 and 19,203,777.27 is: 28,805,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,788,051.27 : 119,682,109.71 = 19,203,777.27 : x
  2. Step 2: Convert to fraction form
    79,788,051.27/119,682,109.71 = 19,203,777.27/x
  3. Step 3: Cross multiply
    79,788,051.27x = 119,682,109.71 × 19,203,777.27
  4. Step 4: Simplify right side
    79,788,051.27x = 2,298,348,578,074,544
  5. Step 5: Solve for x
    x = 2,298,348,578,074,544/79,788,051.27
  6. Step 6: Final answer
    x = 28,805,673.80

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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.