Home / 86,235,678.78-129,346,231.32-27,942,122.94

Finding the Fourth Proportional to 86,235,678.78, 129,346,231.32 and 27,942,122.94

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Solution

The fourth proportional to 86,235,678.78, 129,346,231.32 and 27,942,122.94 is: 41,910,823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,235,678.78 : 129,346,231.32 = 27,942,122.94 : x
  2. Step 2: Convert to fraction form
    86,235,678.78/129,346,231.32 = 27,942,122.94/x
  3. Step 3: Cross multiply
    86,235,678.78x = 129,346,231.32 × 27,942,122.94
  4. Step 4: Simplify right side
    86,235,678.78x = 3,614,208,297,369,118.50
  5. Step 5: Solve for x
    x = 3,614,208,297,369,118.50/86,235,678.78
  6. Step 6: Final answer
    x = 41,910,823.32

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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.