Home / 61,120,781.52-91,671,206.04-17,979,893.52

Finding the Fourth Proportional to 61,120,781.52, 91,671,206.04 and 17,979,893.52

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Solution

The fourth proportional to 61,120,781.52, 91,671,206.04 and 17,979,893.52 is: 26,966,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,120,781.52 : 91,671,206.04 = 17,979,893.52 : x
  2. Step 2: Convert to fraction form
    61,120,781.52/91,671,206.04 = 17,979,893.52/x
  3. Step 3: Cross multiply
    61,120,781.52x = 91,671,206.04 × 17,979,893.52
  4. Step 4: Simplify right side
    61,120,781.52x = 1,648,238,523,449,181
  5. Step 5: Solve for x
    x = 1,648,238,523,449,181/61,120,781.52
  6. Step 6: Final answer
    x = 26,966,908.51

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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.