Home / 248,161,010.40-372,241,515.60-66,408,188.40

Finding the Fourth Proportional to 248,161,010.40, 372,241,515.60 and 66,408,188.40

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Solution

The fourth proportional to 248,161,010.40, 372,241,515.60 and 66,408,188.40 is: 99,612,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,161,010.40 : 372,241,515.60 = 66,408,188.40 : x
  2. Step 2: Convert to fraction form
    248,161,010.40/372,241,515.60 = 66,408,188.40/x
  3. Step 3: Cross multiply
    248,161,010.40x = 372,241,515.60 × 66,408,188.40
  4. Step 4: Simplify right side
    248,161,010.40x = 24,719,884,698,266,340
  5. Step 5: Solve for x
    x = 24,719,884,698,266,340/248,161,010.40
  6. Step 6: Final answer
    x = 99,612,282.60

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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.