Home / 55,168,272.90-76,131,286.48-30,390,777.49

Finding the Fourth Proportional to 55,168,272.90, 76,131,286.48 and 30,390,777.49

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Solution

The fourth proportional to 55,168,272.90, 76,131,286.48 and 30,390,777.49 is: 41,938,760.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,168,272.90 : 76,131,286.48 = 30,390,777.49 : x
  2. Step 2: Convert to fraction form
    55,168,272.90/76,131,286.48 = 30,390,777.49/x
  3. Step 3: Cross multiply
    55,168,272.90x = 76,131,286.48 × 30,390,777.49
  4. Step 4: Simplify right side
    55,168,272.90x = 2,313,688,987,441,125.50
  5. Step 5: Solve for x
    x = 2,313,688,987,441,125.50/55,168,272.90
  6. Step 6: Final answer
    x = 41,938,760.56

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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.