Home / 147,996,048.20-221,994,072.30-145,728,566.60

Finding the Fourth Proportional to 147,996,048.20, 221,994,072.30 and 145,728,566.60

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Solution

The fourth proportional to 147,996,048.20, 221,994,072.30 and 145,728,566.60 is: 218,592,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,996,048.20 : 221,994,072.30 = 145,728,566.60 : x
  2. Step 2: Convert to fraction form
    147,996,048.20/221,994,072.30 = 145,728,566.60/x
  3. Step 3: Cross multiply
    147,996,048.20x = 221,994,072.30 × 145,728,566.60
  4. Step 4: Simplify right side
    147,996,048.20x = 32,350,877,949,975,764
  5. Step 5: Solve for x
    x = 32,350,877,949,975,764/147,996,048.20
  6. Step 6: Final answer
    x = 218,592,849.90

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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.