Home / 82,189,324.53-113,420,984.81-47,381,849.01

Finding the Fourth Proportional to 82,189,324.53, 113,420,984.81 and 47,381,849.01

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Solution

The fourth proportional to 82,189,324.53, 113,420,984.81 and 47,381,849.01 is: 65,386,788.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,189,324.53 : 113,420,984.81 = 47,381,849.01 : x
  2. Step 2: Convert to fraction form
    82,189,324.53/113,420,984.81 = 47,381,849.01/x
  3. Step 3: Cross multiply
    82,189,324.53x = 113,420,984.81 × 47,381,849.01
  4. Step 4: Simplify right side
    82,189,324.53x = 5,374,095,976,596,014
  5. Step 5: Solve for x
    x = 5,374,095,976,596,014/82,189,324.53
  6. Step 6: Final answer
    x = 65,386,788.46

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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.