Home / 118,334,414.40-177,380,899.20-79,999,803.60

Finding the Fourth Proportional to 118,334,414.40, 177,380,899.20 and 79,999,803.60

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Solution

The fourth proportional to 118,334,414.40, 177,380,899.20 and 79,999,803.60 is: 119,918,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,334,414.40 : 177,380,899.20 = 79,999,803.60 : x
  2. Step 2: Convert to fraction form
    118,334,414.40/177,380,899.20 = 79,999,803.60/x
  3. Step 3: Cross multiply
    118,334,414.40x = 177,380,899.20 × 79,999,803.60
  4. Step 4: Simplify right side
    118,334,414.40x = 14,190,437,098,391,396
  5. Step 5: Solve for x
    x = 14,190,437,098,391,396/118,334,414.40
  6. Step 6: Final answer
    x = 119,918,091.20

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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.