Home / 217,514,307.61-300,176,124.24-118,401,520.15

Finding the Fourth Proportional to 217,514,307.61, 300,176,124.24 and 118,401,520.15

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Solution

The fourth proportional to 217,514,307.61, 300,176,124.24 and 118,401,520.15 is: 163,397,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,514,307.61 : 300,176,124.24 = 118,401,520.15 : x
  2. Step 2: Convert to fraction form
    217,514,307.61/300,176,124.24 = 118,401,520.15/x
  3. Step 3: Cross multiply
    217,514,307.61x = 300,176,124.24 × 118,401,520.15
  4. Step 4: Simplify right side
    217,514,307.61x = 35,541,309,422,751,268
  5. Step 5: Solve for x
    x = 35,541,309,422,751,268/217,514,307.61
  6. Step 6: Final answer
    x = 163,397,570.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.