Home / 82,191,243.89-113,419,885.94-45,021,689.03

Finding the Fourth Proportional to 82,191,243.89, 113,419,885.94 and 45,021,689.03

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Solution

The fourth proportional to 82,191,243.89, 113,419,885.94 and 45,021,689.03 is: 62,127,723.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,191,243.89 : 113,419,885.94 = 45,021,689.03 : x
  2. Step 2: Convert to fraction form
    82,191,243.89/113,419,885.94 = 45,021,689.03/x
  3. Step 3: Cross multiply
    82,191,243.89x = 113,419,885.94 × 45,021,689.03
  4. Step 4: Simplify right side
    82,191,243.89x = 5,106,354,833,816,541
  5. Step 5: Solve for x
    x = 5,106,354,833,816,541/82,191,243.89
  6. Step 6: Final answer
    x = 62,127,723.01

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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.