Home / 61,133,681.42-84,485,524.91-50,103,032.97

Finding the Fourth Proportional to 61,133,681.42, 84,485,524.91 and 50,103,032.97

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Solution

The fourth proportional to 61,133,681.42, 84,485,524.91 and 50,103,032.97 is: 69,241,389.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,133,681.42 : 84,485,524.91 = 50,103,032.97 : x
  2. Step 2: Convert to fraction form
    61,133,681.42/84,485,524.91 = 50,103,032.97/x
  3. Step 3: Cross multiply
    61,133,681.42x = 84,485,524.91 × 50,103,032.97
  4. Step 4: Simplify right side
    61,133,681.42x = 4,232,981,040,053,486
  5. Step 5: Solve for x
    x = 4,232,981,040,053,486/61,133,681.42
  6. Step 6: Final answer
    x = 69,241,389.39

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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.