Home / 87,800,344,523.16-121,164,475,430.21-49,738,551,520.92

Finding the Fourth Proportional to 87,800,344,523.16, 121,164,475,430.21 and 49,738,551,520.92

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Solution

The fourth proportional to 87,800,344,523.16, 121,164,475,430.21 and 49,738,551,520.92 is: 68,639,201,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,800,344,523.16 : 121,164,475,430.21 = 49,738,551,520.92 : x
  2. Step 2: Convert to fraction form
    87,800,344,523.16/121,164,475,430.21 = 49,738,551,520.92/x
  3. Step 3: Cross multiply
    87,800,344,523.16x = 121,164,475,430.21 × 49,738,551,520.92
  4. Step 4: Simplify right side
    87,800,344,523.16x = 6,026,545,503,690,382,376,960
  5. Step 5: Solve for x
    x = 6,026,545,503,690,382,376,960/87,800,344,523.16
  6. Step 6: Final answer
    x = 68,639,201,092.21

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Double scale
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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.