Home / 278,789,192.03-384,729,851.60-153,354,238.05

Finding the Fourth Proportional to 278,789,192.03, 384,729,851.60 and 153,354,238.05

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Solution

The fourth proportional to 278,789,192.03, 384,729,851.60 and 153,354,238.05 is: 211,629,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,789,192.03 : 384,729,851.60 = 153,354,238.05 : x
  2. Step 2: Convert to fraction form
    278,789,192.03/384,729,851.60 = 153,354,238.05/x
  3. Step 3: Cross multiply
    278,789,192.03x = 384,729,851.60 × 153,354,238.05
  4. Step 4: Simplify right side
    278,789,192.03x = 58,999,953,247,155,968
  5. Step 5: Solve for x
    x = 58,999,953,247,155,968/278,789,192.03
  6. Step 6: Final answer
    x = 211,629,270.20

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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.