Home / 86,878,896.82-130,255,160.78-40,797,020.32

Finding the Fourth Proportional to 86,878,896.82, 130,255,160.78 and 40,797,020.32

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Solution

The fourth proportional to 86,878,896.82, 130,255,160.78 and 40,797,020.32 is: 61,165,860.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,878,896.82 : 130,255,160.78 = 40,797,020.32 : x
  2. Step 2: Convert to fraction form
    86,878,896.82/130,255,160.78 = 40,797,020.32/x
  3. Step 3: Cross multiply
    86,878,896.82x = 130,255,160.78 × 40,797,020.32
  4. Step 4: Simplify right side
    86,878,896.82x = 5,314,022,440,922,542
  5. Step 5: Solve for x
    x = 5,314,022,440,922,542/86,878,896.82
  6. Step 6: Final answer
    x = 61,165,860.01

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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.