Home / 260,321,893.34-359,243,227.32-142,849,189.42

Finding the Fourth Proportional to 260,321,893.34, 359,243,227.32 and 142,849,189.42

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Solution

The fourth proportional to 260,321,893.34, 359,243,227.32 and 142,849,189.42 is: 197,131,340.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,321,893.34 : 359,243,227.32 = 142,849,189.42 : x
  2. Step 2: Convert to fraction form
    260,321,893.34/359,243,227.32 = 142,849,189.42/x
  3. Step 3: Cross multiply
    260,321,893.34x = 359,243,227.32 × 142,849,189.42
  4. Step 4: Simplify right side
    260,321,893.34x = 51,317,603,827,286,792
  5. Step 5: Solve for x
    x = 51,317,603,827,286,792/260,321,893.34
  6. Step 6: Final answer
    x = 197,131,340.62

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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.