Home / 105,541,797,644.71-145,647,774,600.53-57,369,840,876.25

Finding the Fourth Proportional to 105,541,797,644.71, 145,647,774,600.53 and 57,369,840,876.25

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Solution

The fourth proportional to 105,541,797,644.71, 145,647,774,600.53 and 57,369,840,876.25 is: 79,170,431,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,541,797,644.71 : 145,647,774,600.53 = 57,369,840,876.25 : x
  2. Step 2: Convert to fraction form
    105,541,797,644.71/145,647,774,600.53 = 57,369,840,876.25/x
  3. Step 3: Cross multiply
    105,541,797,644.71x = 145,647,774,600.53 × 57,369,840,876.25
  4. Step 4: Simplify right side
    105,541,797,644.71x = 8,355,789,652,811,896,061,952
  5. Step 5: Solve for x
    x = 8,355,789,652,811,896,061,952/105,541,797,644.71
  6. Step 6: Final answer
    x = 79,170,431,424.15

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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.