Home / 86,224,091.26-129,288,285.32-28,684,952.32

Finding the Fourth Proportional to 86,224,091.26, 129,288,285.32 and 28,684,952.32

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Solution

The fourth proportional to 86,224,091.26, 129,288,285.32 and 28,684,952.32 is: 43,011,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,224,091.26 : 129,288,285.32 = 28,684,952.32 : x
  2. Step 2: Convert to fraction form
    86,224,091.26/129,288,285.32 = 28,684,952.32/x
  3. Step 3: Cross multiply
    86,224,091.26x = 129,288,285.32 × 28,684,952.32
  4. Step 4: Simplify right side
    86,224,091.26x = 3,708,628,299,938,756
  5. Step 5: Solve for x
    x = 3,708,628,299,938,756/86,224,091.26
  6. Step 6: Final answer
    x = 43,011,509.26

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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.