Home / 87,492,946,778.40-120,759,690,383.13-53,191,364,696.13

Finding the Fourth Proportional to 87,492,946,778.40, 120,759,690,383.13 and 53,191,364,696.13

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Solution

The fourth proportional to 87,492,946,778.40, 120,759,690,383.13 and 53,191,364,696.13 is: 73,415,892,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,492,946,778.40 : 120,759,690,383.13 = 53,191,364,696.13 : x
  2. Step 2: Convert to fraction form
    87,492,946,778.40/120,759,690,383.13 = 53,191,364,696.13/x
  3. Step 3: Cross multiply
    87,492,946,778.40x = 120,759,690,383.13 × 53,191,364,696.13
  4. Step 4: Simplify right side
    87,492,946,778.40x = 6,423,372,731,761,294,311,424
  5. Step 5: Solve for x
    x = 6,423,372,731,761,294,311,424/87,492,946,778.40
  6. Step 6: Final answer
    x = 73,415,892,003.61

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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.