Home / 147,996,046.20-221,994,069.30-145,728,564.60

Finding the Fourth Proportional to 147,996,046.20, 221,994,069.30 and 145,728,564.60

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Solution

The fourth proportional to 147,996,046.20, 221,994,069.30 and 145,728,564.60 is: 218,592,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,996,046.20 : 221,994,069.30 = 145,728,564.60 : x
  2. Step 2: Convert to fraction form
    147,996,046.20/221,994,069.30 = 145,728,564.60/x
  3. Step 3: Cross multiply
    147,996,046.20x = 221,994,069.30 × 145,728,564.60
  4. Step 4: Simplify right side
    147,996,046.20x = 32,350,877,068,801,928
  5. Step 5: Solve for x
    x = 32,350,877,068,801,928/147,996,046.20
  6. Step 6: Final answer
    x = 218,592,846.90

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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.