Home / 90,541,702,839.54-124,943,912,143.43-49,341,207,722.85

Finding the Fourth Proportional to 90,541,702,839.54, 124,943,912,143.43 and 49,341,207,722.85

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Solution

The fourth proportional to 90,541,702,839.54, 124,943,912,143.43 and 49,341,207,722.85 is: 68,088,884,231.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,541,702,839.54 : 124,943,912,143.43 = 49,341,207,722.85 : x
  2. Step 2: Convert to fraction form
    90,541,702,839.54/124,943,912,143.43 = 49,341,207,722.85/x
  3. Step 3: Cross multiply
    90,541,702,839.54x = 124,943,912,143.43 × 49,341,207,722.85
  4. Step 4: Simplify right side
    90,541,702,839.54x = 6,164,883,522,774,499,328,000
  5. Step 5: Solve for x
    x = 6,164,883,522,774,499,328,000/90,541,702,839.54
  6. Step 6: Final answer
    x = 68,088,884,231.61

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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.