Home / 57,109,760,089.78-78,812,183,080.98-31,391,847,877.59

Finding the Fourth Proportional to 57,109,760,089.78, 78,812,183,080.98 and 31,391,847,877.59

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Solution

The fourth proportional to 57,109,760,089.78, 78,812,183,080.98 and 31,391,847,877.59 is: 43,321,142,625.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,109,760,089.78 : 78,812,183,080.98 = 31,391,847,877.59 : x
  2. Step 2: Convert to fraction form
    57,109,760,089.78/78,812,183,080.98 = 31,391,847,877.59/x
  3. Step 3: Cross multiply
    57,109,760,089.78x = 78,812,183,080.98 × 31,391,847,877.59
  4. Step 4: Simplify right side
    57,109,760,089.78x = 2,474,060,062,178,896,510,976
  5. Step 5: Solve for x
    x = 2,474,060,062,178,896,510,976/57,109,760,089.78
  6. Step 6: Final answer
    x = 43,321,142,625.88

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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.