Home / 215,297,774.88-323,089,295.76-118,321,205.28

Finding the Fourth Proportional to 215,297,774.88, 323,089,295.76 and 118,321,205.28

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Solution

The fourth proportional to 215,297,774.88, 323,089,295.76 and 118,321,205.28 is: 177,560,194.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,297,774.88 : 323,089,295.76 = 118,321,205.28 : x
  2. Step 2: Convert to fraction form
    215,297,774.88/323,089,295.76 = 118,321,205.28/x
  3. Step 3: Cross multiply
    215,297,774.88x = 323,089,295.76 × 118,321,205.28
  4. Step 4: Simplify right side
    215,297,774.88x = 38,228,314,887,389,592
  5. Step 5: Solve for x
    x = 38,228,314,887,389,592/215,297,774.88
  6. Step 6: Final answer
    x = 177,560,194.98

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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.