Home / 228,096,078.40-342,144,117.60-137,172,865.60

Finding the Fourth Proportional to 228,096,078.40, 342,144,117.60 and 137,172,865.60

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Solution

The fourth proportional to 228,096,078.40, 342,144,117.60 and 137,172,865.60 is: 205,759,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,096,078.40 : 342,144,117.60 = 137,172,865.60 : x
  2. Step 2: Convert to fraction form
    228,096,078.40/342,144,117.60 = 137,172,865.60/x
  3. Step 3: Cross multiply
    228,096,078.40x = 342,144,117.60 × 137,172,865.60
  4. Step 4: Simplify right side
    228,096,078.40x = 46,932,889,059,375,392
  5. Step 5: Solve for x
    x = 46,932,889,059,375,392/228,096,078.40
  6. Step 6: Final answer
    x = 205,759,298.40

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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.