Home / 275,219,839.12-379,803,268.38-151,460,516.20

Finding the Fourth Proportional to 275,219,839.12, 379,803,268.38 and 151,460,516.20

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Solution

The fourth proportional to 275,219,839.12, 379,803,268.38 and 151,460,516.20 is: 209,015,452.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,219,839.12 : 379,803,268.38 = 151,460,516.20 : x
  2. Step 2: Convert to fraction form
    275,219,839.12/379,803,268.38 = 151,460,516.20/x
  3. Step 3: Cross multiply
    275,219,839.12x = 379,803,268.38 × 151,460,516.20
  4. Step 4: Simplify right side
    275,219,839.12x = 57,525,199,083,281,936
  5. Step 5: Solve for x
    x = 57,525,199,083,281,936/275,219,839.12
  6. Step 6: Final answer
    x = 209,015,452.04

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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.