Home / 57,474,307.96-86,222,818.96-21,083,036.20

Finding the Fourth Proportional to 57,474,307.96, 86,222,818.96 and 21,083,036.20

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Solution

The fourth proportional to 57,474,307.96, 86,222,818.96 and 21,083,036.20 is: 31,628,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,474,307.96 : 86,222,818.96 = 21,083,036.20 : x
  2. Step 2: Convert to fraction form
    57,474,307.96/86,222,818.96 = 21,083,036.20/x
  3. Step 3: Cross multiply
    57,474,307.96x = 86,222,818.96 × 21,083,036.20
  4. Step 4: Simplify right side
    57,474,307.96x = 1,817,838,813,399,726.25
  5. Step 5: Solve for x
    x = 1,817,838,813,399,726.25/57,474,307.96
  6. Step 6: Final answer
    x = 31,628,720.34

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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.