Home / 82,810,981.30-114,274,489.87-45,641,148.34

Finding the Fourth Proportional to 82,810,981.30, 114,274,489.87 and 45,641,148.34

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Solution

The fourth proportional to 82,810,981.30, 114,274,489.87 and 45,641,148.34 is: 62,982,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,810,981.30 : 114,274,489.87 = 45,641,148.34 : x
  2. Step 2: Convert to fraction form
    82,810,981.30/114,274,489.87 = 45,641,148.34/x
  3. Step 3: Cross multiply
    82,810,981.30x = 114,274,489.87 × 45,641,148.34
  4. Step 4: Simplify right side
    82,810,981.30x = 5,215,618,943,634,498
  5. Step 5: Solve for x
    x = 5,215,618,943,634,498/82,810,981.30
  6. Step 6: Final answer
    x = 62,982,213.97

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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.