Home / 71,856,830.25-99,162,425.75-39,261,782.25

Finding the Fourth Proportional to 71,856,830.25, 99,162,425.75 and 39,261,782.25

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Solution

The fourth proportional to 71,856,830.25, 99,162,425.75 and 39,261,782.25 is: 54,181,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,856,830.25 : 99,162,425.75 = 39,261,782.25 : x
  2. Step 2: Convert to fraction form
    71,856,830.25/99,162,425.75 = 39,261,782.25/x
  3. Step 3: Cross multiply
    71,856,830.25x = 99,162,425.75 × 39,261,782.25
  4. Step 4: Simplify right side
    71,856,830.25x = 3,893,293,566,981,984
  5. Step 5: Solve for x
    x = 3,893,293,566,981,984/71,856,830.25
  6. Step 6: Final answer
    x = 54,181,259.51

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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.