Home / 147,996,601.20-221,994,901.80-145,729,119.60

Finding the Fourth Proportional to 147,996,601.20, 221,994,901.80 and 145,729,119.60

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Solution

The fourth proportional to 147,996,601.20, 221,994,901.80 and 145,729,119.60 is: 218,593,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,996,601.20 : 221,994,901.80 = 145,729,119.60 : x
  2. Step 2: Convert to fraction form
    147,996,601.20/221,994,901.80 = 145,729,119.60/x
  3. Step 3: Cross multiply
    147,996,601.20x = 221,994,901.80 × 145,729,119.60
  4. Step 4: Simplify right side
    147,996,601.20x = 32,351,121,595,002,456
  5. Step 5: Solve for x
    x = 32,351,121,595,002,456/147,996,601.20
  6. Step 6: Final answer
    x = 218,593,679.40

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1.5x scale

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.