Home / 118,089,662.60-177,134,493.90-67,071,326.60

Finding the Fourth Proportional to 118,089,662.60, 177,134,493.90 and 67,071,326.60

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Solution

The fourth proportional to 118,089,662.60, 177,134,493.90 and 67,071,326.60 is: 100,606,989.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,089,662.60 : 177,134,493.90 = 67,071,326.60 : x
  2. Step 2: Convert to fraction form
    118,089,662.60/177,134,493.90 = 67,071,326.60/x
  3. Step 3: Cross multiply
    118,089,662.60x = 177,134,493.90 × 67,071,326.60
  4. Step 4: Simplify right side
    118,089,662.60x = 11,880,645,492,492,608
  5. Step 5: Solve for x
    x = 11,880,645,492,492,608/118,089,662.60
  6. Step 6: Final answer
    x = 100,606,989.90

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Similar ratio
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1.5x scale

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.