Home / 258,212,236.80-356,173,680.96-157,693,517.76

Finding the Fourth Proportional to 258,212,236.80, 356,173,680.96 and 157,693,517.76

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Solution

The fourth proportional to 258,212,236.80, 356,173,680.96 and 157,693,517.76 is: 217,519,825.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,212,236.80 : 356,173,680.96 = 157,693,517.76 : x
  2. Step 2: Convert to fraction form
    258,212,236.80/356,173,680.96 = 157,693,517.76/x
  3. Step 3: Cross multiply
    258,212,236.80x = 356,173,680.96 × 157,693,517.76
  4. Step 4: Simplify right side
    258,212,236.80x = 56,166,280,684,110,328
  5. Step 5: Solve for x
    x = 56,166,280,684,110,328/258,212,236.80
  6. Step 6: Final answer
    x = 217,519,825.47

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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.