Home / 231,824,659.60-347,736,989.40-228,423,437.20

Finding the Fourth Proportional to 231,824,659.60, 347,736,989.40 and 228,423,437.20

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Solution

The fourth proportional to 231,824,659.60, 347,736,989.40 and 228,423,437.20 is: 342,635,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,824,659.60 : 347,736,989.40 = 228,423,437.20 : x
  2. Step 2: Convert to fraction form
    231,824,659.60/347,736,989.40 = 228,423,437.20/x
  3. Step 3: Cross multiply
    231,824,659.60x = 347,736,989.40 × 228,423,437.20
  4. Step 4: Simplify right side
    231,824,659.60x = 79,431,278,360,327,952
  5. Step 5: Solve for x
    x = 79,431,278,360,327,952/231,824,659.60
  6. Step 6: Final answer
    x = 342,635,155.80

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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.