Home / 82,189,325.53-113,420,986.18-47,381,850.01

Finding the Fourth Proportional to 82,189,325.53, 113,420,986.18 and 47,381,850.01

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Solution

The fourth proportional to 82,189,325.53, 113,420,986.18 and 47,381,850.01 is: 65,386,789.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,189,325.53 : 113,420,986.18 = 47,381,850.01 : x
  2. Step 2: Convert to fraction form
    82,189,325.53/113,420,986.18 = 47,381,850.01/x
  3. Step 3: Cross multiply
    82,189,325.53x = 113,420,986.18 × 47,381,850.01
  4. Step 4: Simplify right side
    82,189,325.53x = 5,374,096,155,167,043
  5. Step 5: Solve for x
    x = 5,374,096,155,167,043/82,189,325.53
  6. Step 6: Final answer
    x = 65,386,789.84

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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.