Home / 87,013,812,510.73-120,079,067,039.16-48,431,904,401.56

Finding the Fourth Proportional to 87,013,812,510.73, 120,079,067,039.16 and 48,431,904,401.56

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Solution

The fourth proportional to 87,013,812,510.73, 120,079,067,039.16 and 48,431,904,401.56 is: 66,836,031,288.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,013,812,510.73 : 120,079,067,039.16 = 48,431,904,401.56 : x
  2. Step 2: Convert to fraction form
    87,013,812,510.73/120,079,067,039.16 = 48,431,904,401.56/x
  3. Step 3: Cross multiply
    87,013,812,510.73x = 120,079,067,039.16 × 48,431,904,401.56
  4. Step 4: Simplify right side
    87,013,812,510.73x = 5,815,657,895,469,351,174,144
  5. Step 5: Solve for x
    x = 5,815,657,895,469,351,174,144/87,013,812,510.73
  6. Step 6: Final answer
    x = 66,836,031,288.17

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1.5x scale

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.