Home / 57,778,379.71-86,613,317.40-19,413,063.43

Finding the Fourth Proportional to 57,778,379.71, 86,613,317.40 and 19,413,063.43

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Solution

The fourth proportional to 57,778,379.71, 86,613,317.40 and 19,413,063.43 is: 29,101,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,778,379.71 : 86,613,317.40 = 19,413,063.43 : x
  2. Step 2: Convert to fraction form
    57,778,379.71/86,613,317.40 = 19,413,063.43/x
  3. Step 3: Cross multiply
    57,778,379.71x = 86,613,317.40 × 19,413,063.43
  4. Step 4: Simplify right side
    57,778,379.71x = 1,681,429,824,568,922.75
  5. Step 5: Solve for x
    x = 1,681,429,824,568,922.75/57,778,379.71
  6. Step 6: Final answer
    x = 29,101,366.86

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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.