Home / 57,474,302.96-86,222,811.46-21,083,031.20

Finding the Fourth Proportional to 57,474,302.96, 86,222,811.46 and 21,083,031.20

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Solution

The fourth proportional to 57,474,302.96, 86,222,811.46 and 21,083,031.20 is: 31,628,712.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,474,302.96 : 86,222,811.46 = 21,083,031.20 : x
  2. Step 2: Convert to fraction form
    57,474,302.96/86,222,811.46 = 21,083,031.20/x
  3. Step 3: Cross multiply
    57,474,302.96x = 86,222,811.46 × 21,083,031.20
  4. Step 4: Simplify right side
    57,474,302.96x = 1,817,838,224,162,897.25
  5. Step 5: Solve for x
    x = 1,817,838,224,162,897.25/57,474,302.96
  6. Step 6: Final answer
    x = 31,628,712.84

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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.