Home / 82,044,542.72-113,196,888.75-47,236,338.20

Finding the Fourth Proportional to 82,044,542.72, 113,196,888.75 and 47,236,338.20

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Solution

The fourth proportional to 82,044,542.72, 113,196,888.75 and 47,236,338.20 is: 65,171,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,044,542.72 : 113,196,888.75 = 47,236,338.20 : x
  2. Step 2: Convert to fraction form
    82,044,542.72/113,196,888.75 = 47,236,338.20/x
  3. Step 3: Cross multiply
    82,044,542.72x = 113,196,888.75 × 47,236,338.20
  4. Step 4: Simplify right side
    82,044,542.72x = 5,347,006,519,616,791
  5. Step 5: Solve for x
    x = 5,347,006,519,616,791/82,044,542.72
  6. Step 6: Final answer
    x = 65,171,994.90

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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.