Home / 126,194,625.60-189,291,938.40-120,242,486.40

Finding the Fourth Proportional to 126,194,625.60, 189,291,938.40 and 120,242,486.40

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Solution

The fourth proportional to 126,194,625.60, 189,291,938.40 and 120,242,486.40 is: 180,363,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,194,625.60 : 189,291,938.40 = 120,242,486.40 : x
  2. Step 2: Convert to fraction form
    126,194,625.60/189,291,938.40 = 120,242,486.40/x
  3. Step 3: Cross multiply
    126,194,625.60x = 189,291,938.40 × 120,242,486.40
  4. Step 4: Simplify right side
    126,194,625.60x = 22,760,933,328,691,640
  5. Step 5: Solve for x
    x = 22,760,933,328,691,640/126,194,625.60
  6. Step 6: Final answer
    x = 180,363,729.60

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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.