Home / 231,824,021.20-347,736,031.80-214,306,248.40

Finding the Fourth Proportional to 231,824,021.20, 347,736,031.80 and 214,306,248.40

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Solution

The fourth proportional to 231,824,021.20, 347,736,031.80 and 214,306,248.40 is: 321,459,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,824,021.20 : 347,736,031.80 = 214,306,248.40 : x
  2. Step 2: Convert to fraction form
    231,824,021.20/347,736,031.80 = 214,306,248.40/x
  3. Step 3: Cross multiply
    231,824,021.20x = 347,736,031.80 × 214,306,248.40
  4. Step 4: Simplify right side
    231,824,021.20x = 74,522,004,408,561,104
  5. Step 5: Solve for x
    x = 74,522,004,408,561,104/231,824,021.20
  6. Step 6: Final answer
    x = 321,459,372.60

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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.