Home / 81,905,965,344.57-122,858,948,016.93-23,018,051,016.57

Finding the Fourth Proportional to 81,905,965,344.57, 122,858,948,016.93 and 23,018,051,016.57

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Solution

The fourth proportional to 81,905,965,344.57, 122,858,948,016.93 and 23,018,051,016.57 is: 34,527,076,524.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,905,965,344.57 : 122,858,948,016.93 = 23,018,051,016.57 : x
  2. Step 2: Convert to fraction form
    81,905,965,344.57/122,858,948,016.93 = 23,018,051,016.57/x
  3. Step 3: Cross multiply
    81,905,965,344.57x = 122,858,948,016.93 × 23,018,051,016.57
  4. Step 4: Simplify right side
    81,905,965,344.57x = 2,827,973,533,295,816,212,480
  5. Step 5: Solve for x
    x = 2,827,973,533,295,816,212,480/81,905,965,344.57
  6. Step 6: Final answer
    x = 34,527,076,524.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.