Home / 65,610,081.20-98,415,121.80-65,232,167.60

Finding the Fourth Proportional to 65,610,081.20, 98,415,121.80 and 65,232,167.60

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Solution

The fourth proportional to 65,610,081.20, 98,415,121.80 and 65,232,167.60 is: 97,848,251.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,610,081.20 : 98,415,121.80 = 65,232,167.60 : x
  2. Step 2: Convert to fraction form
    65,610,081.20/98,415,121.80 = 65,232,167.60/x
  3. Step 3: Cross multiply
    65,610,081.20x = 98,415,121.80 × 65,232,167.60
  4. Step 4: Simplify right side
    65,610,081.20x = 6,419,831,719,632,014
  5. Step 5: Solve for x
    x = 6,419,831,719,632,014/65,610,081.20
  6. Step 6: Final answer
    x = 97,848,251.40

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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.