Home / 243,259,059.20-335,702,922.38-138,835,036.04

Finding the Fourth Proportional to 243,259,059.20, 335,702,922.38 and 138,835,036.04

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Solution

The fourth proportional to 243,259,059.20, 335,702,922.38 and 138,835,036.04 is: 191,595,443.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,259,059.20 : 335,702,922.38 = 138,835,036.04 : x
  2. Step 2: Convert to fraction form
    243,259,059.20/335,702,922.38 = 138,835,036.04/x
  3. Step 3: Cross multiply
    243,259,059.20x = 335,702,922.38 × 138,835,036.04
  4. Step 4: Simplify right side
    243,259,059.20x = 46,607,327,327,360,616
  5. Step 5: Solve for x
    x = 46,607,327,327,360,616/243,259,059.20
  6. Step 6: Final answer
    x = 191,595,443.48

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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.