Home / 228,131,741.10-342,197,611.65-220,069,584.30

Finding the Fourth Proportional to 228,131,741.10, 342,197,611.65 and 220,069,584.30

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Solution

The fourth proportional to 228,131,741.10, 342,197,611.65 and 220,069,584.30 is: 330,104,376.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,131,741.10 : 342,197,611.65 = 220,069,584.30 : x
  2. Step 2: Convert to fraction form
    228,131,741.10/342,197,611.65 = 220,069,584.30/x
  3. Step 3: Cross multiply
    228,131,741.10x = 342,197,611.65 × 220,069,584.30
  4. Step 4: Simplify right side
    228,131,741.10x = 75,307,286,144,268,336
  5. Step 5: Solve for x
    x = 75,307,286,144,268,336/228,131,741.10
  6. Step 6: Final answer
    x = 330,104,376.45

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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.