Home / 367,522,287.60-551,123,999.10-121,783,969.20

Finding the Fourth Proportional to 367,522,287.60, 551,123,999.10 and 121,783,969.20

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Solution

The fourth proportional to 367,522,287.60, 551,123,999.10 and 121,783,969.20 is: 182,623,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,522,287.60 : 551,123,999.10 = 121,783,969.20 : x
  2. Step 2: Convert to fraction form
    367,522,287.60/551,123,999.10 = 121,783,969.20/x
  3. Step 3: Cross multiply
    367,522,287.60x = 551,123,999.10 × 121,783,969.20
  4. Step 4: Simplify right side
    367,522,287.60x = 67,118,068,131,775,232
  5. Step 5: Solve for x
    x = 67,118,068,131,775,232/367,522,287.60
  6. Step 6: Final answer
    x = 182,623,123.54

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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.