Home / 264,958,302.74-397,480,625.82-78,231,120.95

Finding the Fourth Proportional to 264,958,302.74, 397,480,625.82 and 78,231,120.95

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Solution

The fourth proportional to 264,958,302.74, 397,480,625.82 and 78,231,120.95 is: 117,359,428.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,958,302.74 : 397,480,625.82 = 78,231,120.95 : x
  2. Step 2: Convert to fraction form
    264,958,302.74/397,480,625.82 = 78,231,120.95/x
  3. Step 3: Cross multiply
    264,958,302.74x = 397,480,625.82 × 78,231,120.95
  4. Step 4: Simplify right side
    264,958,302.74x = 31,095,354,914,799,816
  5. Step 5: Solve for x
    x = 31,095,354,914,799,816/264,958,302.74
  6. Step 6: Final answer
    x = 117,359,428.23

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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.