Home / 283,534,394.40-424,663,862.40-168,743,138.40

Finding the Fourth Proportional to 283,534,394.40, 424,663,862.40 and 168,743,138.40

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Solution

The fourth proportional to 283,534,394.40, 424,663,862.40 and 168,743,138.40 is: 252,735,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,534,394.40 : 424,663,862.40 = 168,743,138.40 : x
  2. Step 2: Convert to fraction form
    283,534,394.40/424,663,862.40 = 168,743,138.40/x
  3. Step 3: Cross multiply
    283,534,394.40x = 424,663,862.40 × 168,743,138.40
  4. Step 4: Simplify right side
    283,534,394.40x = 71,659,112,906,441,752
  5. Step 5: Solve for x
    x = 71,659,112,906,441,752/283,534,394.40
  6. Step 6: Final answer
    x = 252,735,168.37

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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.