Home / 228,173,255.46-342,256,345.11-91,855,309.86

Finding the Fourth Proportional to 228,173,255.46, 342,256,345.11 and 91,855,309.86

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Solution

The fourth proportional to 228,173,255.46, 342,256,345.11 and 91,855,309.86 is: 137,781,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,173,255.46 : 342,256,345.11 = 91,855,309.86 : x
  2. Step 2: Convert to fraction form
    228,173,255.46/342,256,345.11 = 91,855,309.86/x
  3. Step 3: Cross multiply
    228,173,255.46x = 342,256,345.11 × 91,855,309.86
  4. Step 4: Simplify right side
    228,173,255.46x = 31,438,062,631,630,148
  5. Step 5: Solve for x
    x = 31,438,062,631,630,148/228,173,255.46
  6. Step 6: Final answer
    x = 137,781,540.47

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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.