Home / 210,348,668.20-316,958,785.45-172,850,191.24

Finding the Fourth Proportional to 210,348,668.20, 316,958,785.45 and 172,850,191.24

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Solution

The fourth proportional to 210,348,668.20, 316,958,785.45 and 172,850,191.24 is: 260,455,115.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,348,668.20 : 316,958,785.45 = 172,850,191.24 : x
  2. Step 2: Convert to fraction form
    210,348,668.20/316,958,785.45 = 172,850,191.24/x
  3. Step 3: Cross multiply
    210,348,668.20x = 316,958,785.45 × 172,850,191.24
  4. Step 4: Simplify right side
    210,348,668.20x = 54,786,386,680,230,632
  5. Step 5: Solve for x
    x = 54,786,386,680,230,632/210,348,668.20
  6. Step 6: Final answer
    x = 260,455,115.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.