Home / 40,220,064.75-55,503,222.80-21,885,034.35

Finding the Fourth Proportional to 40,220,064.75, 55,503,222.80 and 21,885,034.35

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Solution

The fourth proportional to 40,220,064.75, 55,503,222.80 and 21,885,034.35 is: 30,201,093.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,220,064.75 : 55,503,222.80 = 21,885,034.35 : x
  2. Step 2: Convert to fraction form
    40,220,064.75/55,503,222.80 = 21,885,034.35/x
  3. Step 3: Cross multiply
    40,220,064.75x = 55,503,222.80 × 21,885,034.35
  4. Step 4: Simplify right side
    40,220,064.75x = 1,214,689,937,404,278.25
  5. Step 5: Solve for x
    x = 1,214,689,937,404,278.25/40,220,064.75
  6. Step 6: Final answer
    x = 30,201,093.53

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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.