Home / 71,228,989,403.31-106,846,920,119.82-23,420,940,345.12

Finding the Fourth Proportional to 71,228,989,403.31, 106,846,920,119.82 and 23,420,940,345.12

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Solution

The fourth proportional to 71,228,989,403.31, 106,846,920,119.82 and 23,420,940,345.12 is: 35,132,540,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,228,989,403.31 : 106,846,920,119.82 = 23,420,940,345.12 : x
  2. Step 2: Convert to fraction form
    71,228,989,403.31/106,846,920,119.82 = 23,420,940,345.12/x
  3. Step 3: Cross multiply
    71,228,989,403.31x = 106,846,920,119.82 × 23,420,940,345.12
  4. Step 4: Simplify right side
    71,228,989,403.31x = 2,502,455,342,186,105,929,728
  5. Step 5: Solve for x
    x = 2,502,455,342,186,105,929,728/71,228,989,403.31
  6. Step 6: Final answer
    x = 35,132,540,320.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.