Home / 274,989,455.69-379,480,187.07-151,230,132.81

Finding the Fourth Proportional to 274,989,455.69, 379,480,187.07 and 151,230,132.81

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Solution

The fourth proportional to 274,989,455.69, 379,480,187.07 and 151,230,132.81 is: 208,694,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,989,455.69 : 379,480,187.07 = 151,230,132.81 : x
  2. Step 2: Convert to fraction form
    274,989,455.69/379,480,187.07 = 151,230,132.81/x
  3. Step 3: Cross multiply
    274,989,455.69x = 379,480,187.07 × 151,230,132.81
  4. Step 4: Simplify right side
    274,989,455.69x = 57,388,839,089,359,744
  5. Step 5: Solve for x
    x = 57,388,839,089,359,744/274,989,455.69
  6. Step 6: Final answer
    x = 208,694,689.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.