Home / 316,136,040.26-436,272,900.60-173,079,416.78

Finding the Fourth Proportional to 316,136,040.26, 436,272,900.60 and 173,079,416.78

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Solution

The fourth proportional to 316,136,040.26, 436,272,900.60 and 173,079,416.78 is: 238,852,422.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,136,040.26 : 436,272,900.60 = 173,079,416.78 : x
  2. Step 2: Convert to fraction form
    316,136,040.26/436,272,900.60 = 173,079,416.78/x
  3. Step 3: Cross multiply
    316,136,040.26x = 436,272,900.60 × 173,079,416.78
  4. Step 4: Simplify right side
    316,136,040.26x = 75,509,859,192,766,912
  5. Step 5: Solve for x
    x = 75,509,859,192,766,912/316,136,040.26
  6. Step 6: Final answer
    x = 238,852,422.93

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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.