Home / 149,780,987,380.68-206,697,712,695.30-82,114,124,754.12

Finding the Fourth Proportional to 149,780,987,380.68, 206,697,712,695.30 and 82,114,124,754.12

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Solution

The fourth proportional to 149,780,987,380.68, 206,697,712,695.30 and 82,114,124,754.12 is: 113,317,464,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,780,987,380.68 : 206,697,712,695.30 = 82,114,124,754.12 : x
  2. Step 2: Convert to fraction form
    149,780,987,380.68/206,697,712,695.30 = 82,114,124,754.12/x
  3. Step 3: Cross multiply
    149,780,987,380.68x = 206,697,712,695.30 × 82,114,124,754.12
  4. Step 4: Simplify right side
    149,780,987,380.68x = 16,972,801,766,653,115,236,352
  5. Step 5: Solve for x
    x = 16,972,801,766,653,115,236,352/149,780,987,380.68
  6. Step 6: Final answer
    x = 113,317,464,809.57

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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.