Home / 229,248,665.20-343,872,997.80-147,619,327.60

Finding the Fourth Proportional to 229,248,665.20, 343,872,997.80 and 147,619,327.60

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Solution

The fourth proportional to 229,248,665.20, 343,872,997.80 and 147,619,327.60 is: 221,428,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,248,665.20 : 343,872,997.80 = 147,619,327.60 : x
  2. Step 2: Convert to fraction form
    229,248,665.20/343,872,997.80 = 147,619,327.60/x
  3. Step 3: Cross multiply
    229,248,665.20x = 343,872,997.80 × 147,619,327.60
  4. Step 4: Simplify right side
    229,248,665.20x = 50,762,300,715,032,280
  5. Step 5: Solve for x
    x = 50,762,300,715,032,280/229,248,665.20
  6. Step 6: Final answer
    x = 221,428,991.40

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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.