Home / 295,369,407.60-443,453,020.20-172,673,458.80

Finding the Fourth Proportional to 295,369,407.60, 443,453,020.20 and 172,673,458.80

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Solution

The fourth proportional to 295,369,407.60, 443,453,020.20 and 172,673,458.80 is: 259,243,390.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,369,407.60 : 443,453,020.20 = 172,673,458.80 : x
  2. Step 2: Convert to fraction form
    295,369,407.60/443,453,020.20 = 172,673,458.80/x
  3. Step 3: Cross multiply
    295,369,407.60x = 443,453,020.20 × 172,673,458.80
  4. Step 4: Simplify right side
    295,369,407.60x = 76,572,566,813,240,272
  5. Step 5: Solve for x
    x = 76,572,566,813,240,272/295,369,407.60
  6. Step 6: Final answer
    x = 259,243,390.96

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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.