Home / 67,221,194.40-100,831,791.60-65,728,202.40

Finding the Fourth Proportional to 67,221,194.40, 100,831,791.60 and 65,728,202.40

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Solution

The fourth proportional to 67,221,194.40, 100,831,791.60 and 65,728,202.40 is: 98,592,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,221,194.40 : 100,831,791.60 = 65,728,202.40 : x
  2. Step 2: Convert to fraction form
    67,221,194.40/100,831,791.60 = 65,728,202.40/x
  3. Step 3: Cross multiply
    67,221,194.40x = 100,831,791.60 × 65,728,202.40
  4. Step 4: Simplify right side
    67,221,194.40x = 6,627,492,406,639,419
  5. Step 5: Solve for x
    x = 6,627,492,406,639,419/67,221,194.40
  6. Step 6: Final answer
    x = 98,592,303.60

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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.