Home / 57,109,760,082.75-78,812,183,071.29-31,391,847,870.58

Finding the Fourth Proportional to 57,109,760,082.75, 78,812,183,071.29 and 31,391,847,870.58

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Solution

The fourth proportional to 57,109,760,082.75, 78,812,183,071.29 and 31,391,847,870.58 is: 43,321,142,616.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,109,760,082.75 : 78,812,183,071.29 = 31,391,847,870.58 : x
  2. Step 2: Convert to fraction form
    57,109,760,082.75/78,812,183,071.29 = 31,391,847,870.58/x
  3. Step 3: Cross multiply
    57,109,760,082.75x = 78,812,183,071.29 × 31,391,847,870.58
  4. Step 4: Simplify right side
    57,109,760,082.75x = 2,474,060,061,322,393,419,776
  5. Step 5: Solve for x
    x = 2,474,060,061,322,393,419,776/57,109,760,082.75
  6. Step 6: Final answer
    x = 43,321,142,616.21

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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.