Home / 57,109,760,089.31-78,812,183,080.34-31,391,847,877.15

Finding the Fourth Proportional to 57,109,760,089.31, 78,812,183,080.34 and 31,391,847,877.15

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Solution

The fourth proportional to 57,109,760,089.31, 78,812,183,080.34 and 31,391,847,877.15 is: 43,321,142,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,109,760,089.31 : 78,812,183,080.34 = 31,391,847,877.15 : x
  2. Step 2: Convert to fraction form
    57,109,760,089.31/78,812,183,080.34 = 31,391,847,877.15/x
  3. Step 3: Cross multiply
    57,109,760,089.31x = 78,812,183,080.34 × 31,391,847,877.15
  4. Step 4: Simplify right side
    57,109,760,089.31x = 2,474,060,062,123,577,835,520
  5. Step 5: Solve for x
    x = 2,474,060,062,123,577,835,520/57,109,760,089.31
  6. Step 6: Final answer
    x = 43,321,142,625.27

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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.