Home / 258,168,611-356,272,690.47-142,275,107

Finding the Fourth Proportional to 258,168,611, 356,272,690.47 and 142,275,107

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Solution

The fourth proportional to 258,168,611, 356,272,690.47 and 142,275,107 is: 196,339,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,168,611 : 356,272,690.47 = 142,275,107 : x
  2. Step 2: Convert to fraction form
    258,168,611/356,272,690.47 = 142,275,107/x
  3. Step 3: Cross multiply
    258,168,611x = 356,272,690.47 × 142,275,107
  4. Step 4: Simplify right side
    258,168,611x = 50,688,735,157,797,136
  5. Step 5: Solve for x
    x = 50,688,735,157,797,136/258,168,611
  6. Step 6: Final answer
    x = 196,339,651.68

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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.