Home / 81,905,965,415.16-122,858,948,122.80-23,018,051,087.16

Finding the Fourth Proportional to 81,905,965,415.16, 122,858,948,122.80 and 23,018,051,087.16

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Solution

The fourth proportional to 81,905,965,415.16, 122,858,948,122.80 and 23,018,051,087.16 is: 34,527,076,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,905,965,415.16 : 122,858,948,122.80 = 23,018,051,087.16 : x
  2. Step 2: Convert to fraction form
    81,905,965,415.16/122,858,948,122.80 = 23,018,051,087.16/x
  3. Step 3: Cross multiply
    81,905,965,415.16x = 122,858,948,122.80 × 23,018,051,087.16
  4. Step 4: Simplify right side
    81,905,965,415.16x = 2,827,973,544,405,350,481,920
  5. Step 5: Solve for x
    x = 2,827,973,544,405,350,481,920/81,905,965,415.16
  6. Step 6: Final answer
    x = 34,527,076,630.76

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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.