Home / 133,609,659.90-200,414,489.85-120,695,643.60

Finding the Fourth Proportional to 133,609,659.90, 200,414,489.85 and 120,695,643.60

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Solution

The fourth proportional to 133,609,659.90, 200,414,489.85 and 120,695,643.60 is: 181,043,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,609,659.90 : 200,414,489.85 = 120,695,643.60 : x
  2. Step 2: Convert to fraction form
    133,609,659.90/200,414,489.85 = 120,695,643.60/x
  3. Step 3: Cross multiply
    133,609,659.90x = 200,414,489.85 × 120,695,643.60
  4. Step 4: Simplify right side
    133,609,659.90x = 24,189,155,839,211,416
  5. Step 5: Solve for x
    x = 24,189,155,839,211,416/133,609,659.90
  6. Step 6: Final answer
    x = 181,043,465.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.