Home / 103,078,825.50-154,618,238.34-31,275,241.50

Finding the Fourth Proportional to 103,078,825.50, 154,618,238.34 and 31,275,241.50

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Solution

The fourth proportional to 103,078,825.50, 154,618,238.34 and 31,275,241.50 is: 46,912,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,078,825.50 : 154,618,238.34 = 31,275,241.50 : x
  2. Step 2: Convert to fraction form
    103,078,825.50/154,618,238.34 = 31,275,241.50/x
  3. Step 3: Cross multiply
    103,078,825.50x = 154,618,238.34 × 31,275,241.50
  4. Step 4: Simplify right side
    103,078,825.50x = 4,835,722,744,388,059
  5. Step 5: Solve for x
    x = 4,835,722,744,388,059/103,078,825.50
  6. Step 6: Final answer
    x = 46,912,862.28

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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.