Home / 57,778,380.71-86,613,318.90-19,413,064.43

Finding the Fourth Proportional to 57,778,380.71, 86,613,318.90 and 19,413,064.43

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Solution

The fourth proportional to 57,778,380.71, 86,613,318.90 and 19,413,064.43 is: 29,101,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,778,380.71 : 86,613,318.90 = 19,413,064.43 : x
  2. Step 2: Convert to fraction form
    57,778,380.71/86,613,318.90 = 19,413,064.43/x
  3. Step 3: Cross multiply
    57,778,380.71x = 86,613,318.90 × 19,413,064.43
  4. Step 4: Simplify right side
    57,778,380.71x = 1,681,429,940,301,836.75
  5. Step 5: Solve for x
    x = 1,681,429,940,301,836.75/57,778,380.71
  6. Step 6: Final answer
    x = 29,101,368.36

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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.