Home / 103,086,008.40-154,629,012.60-45,548,662.80

Finding the Fourth Proportional to 103,086,008.40, 154,629,012.60 and 45,548,662.80

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Solution

The fourth proportional to 103,086,008.40, 154,629,012.60 and 45,548,662.80 is: 68,322,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,086,008.40 : 154,629,012.60 = 45,548,662.80 : x
  2. Step 2: Convert to fraction form
    103,086,008.40/154,629,012.60 = 45,548,662.80/x
  3. Step 3: Cross multiply
    103,086,008.40x = 154,629,012.60 × 45,548,662.80
  4. Step 4: Simplify right side
    103,086,008.40x = 7,043,144,754,014,351
  5. Step 5: Solve for x
    x = 7,043,144,754,014,351/103,086,008.40
  6. Step 6: Final answer
    x = 68,322,994.20

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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.