Home / 123,432,228.60-185,575,245.30-115,440,055.80

Finding the Fourth Proportional to 123,432,228.60, 185,575,245.30 and 115,440,055.80

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Solution

The fourth proportional to 123,432,228.60, 185,575,245.30 and 115,440,055.80 is: 173,559,344.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,432,228.60 : 185,575,245.30 = 115,440,055.80 : x
  2. Step 2: Convert to fraction form
    123,432,228.60/185,575,245.30 = 115,440,055.80/x
  3. Step 3: Cross multiply
    123,432,228.60x = 185,575,245.30 × 115,440,055.80
  4. Step 4: Simplify right side
    123,432,228.60x = 21,422,816,672,530,688
  5. Step 5: Solve for x
    x = 21,422,816,672,530,688/123,432,228.60
  6. Step 6: Final answer
    x = 173,559,344.39

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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.