Home / 86,722,727.41-130,032,126.78-27,609,560.83

Finding the Fourth Proportional to 86,722,727.41, 130,032,126.78 and 27,609,560.83

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Solution

The fourth proportional to 86,722,727.41, 130,032,126.78 and 27,609,560.83 is: 41,397,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,722,727.41 : 130,032,126.78 = 27,609,560.83 : x
  2. Step 2: Convert to fraction form
    86,722,727.41/130,032,126.78 = 27,609,560.83/x
  3. Step 3: Cross multiply
    86,722,727.41x = 130,032,126.78 × 27,609,560.83
  4. Step 4: Simplify right side
    86,722,727.41x = 3,590,129,913,669,421
  5. Step 5: Solve for x
    x = 3,590,129,913,669,421/86,722,727.41
  6. Step 6: Final answer
    x = 41,397,797.57

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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.