Home / 203,641,240.24-281,034,165.55-120,012,900.40

Finding the Fourth Proportional to 203,641,240.24, 281,034,165.55 and 120,012,900.40

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Solution

The fourth proportional to 203,641,240.24, 281,034,165.55 and 120,012,900.40 is: 165,623,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,641,240.24 : 281,034,165.55 = 120,012,900.40 : x
  2. Step 2: Convert to fraction form
    203,641,240.24/281,034,165.55 = 120,012,900.40/x
  3. Step 3: Cross multiply
    203,641,240.24x = 281,034,165.55 × 120,012,900.40
  4. Step 4: Simplify right side
    203,641,240.24x = 33,727,725,317,744,092
  5. Step 5: Solve for x
    x = 33,727,725,317,744,092/203,641,240.24
  6. Step 6: Final answer
    x = 165,623,256.27

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1.5x scale

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.