Home / 215,014,559.10-322,601,554.80-85,714,963.80

Finding the Fourth Proportional to 215,014,559.10, 322,601,554.80 and 85,714,963.80

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Solution

The fourth proportional to 215,014,559.10, 322,601,554.80 and 85,714,963.80 is: 128,604,224.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,014,559.10 : 322,601,554.80 = 85,714,963.80 : x
  2. Step 2: Convert to fraction form
    215,014,559.10/322,601,554.80 = 85,714,963.80/x
  3. Step 3: Cross multiply
    215,014,559.10x = 322,601,554.80 × 85,714,963.80
  4. Step 4: Simplify right side
    215,014,559.10x = 27,651,780,591,505,716
  5. Step 5: Solve for x
    x = 27,651,780,591,505,716/215,014,559.10
  6. Step 6: Final answer
    x = 128,604,224.32

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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.