Home / 100,114,072,523.72-138,169,264,160.66-59,469,144,583.61

Finding the Fourth Proportional to 100,114,072,523.72, 138,169,264,160.66 and 59,469,144,583.61

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Solution

The fourth proportional to 100,114,072,523.72, 138,169,264,160.66 and 59,469,144,583.61 is: 82,074,455,071.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,114,072,523.72 : 138,169,264,160.66 = 59,469,144,583.61 : x
  2. Step 2: Convert to fraction form
    100,114,072,523.72/138,169,264,160.66 = 59,469,144,583.61/x
  3. Step 3: Cross multiply
    100,114,072,523.72x = 138,169,264,160.66 × 59,469,144,583.61
  4. Step 4: Simplify right side
    100,114,072,523.72x = 8,216,807,947,381,568,962,560
  5. Step 5: Solve for x
    x = 8,216,807,947,381,568,962,560/100,114,072,523.72
  6. Step 6: Final answer
    x = 82,074,455,071.59

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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.