Home / 223,507,644.60-335,644,046.10-121,470,972.60

Finding the Fourth Proportional to 223,507,644.60, 335,644,046.10 and 121,470,972.60

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Solution

The fourth proportional to 223,507,644.60, 335,644,046.10 and 121,470,972.60 is: 182,414,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,507,644.60 : 335,644,046.10 = 121,470,972.60 : x
  2. Step 2: Convert to fraction form
    223,507,644.60/335,644,046.10 = 121,470,972.60/x
  3. Step 3: Cross multiply
    223,507,644.60x = 335,644,046.10 × 121,470,972.60
  4. Step 4: Simplify right side
    223,507,644.60x = 40,771,008,727,166,240
  5. Step 5: Solve for x
    x = 40,771,008,727,166,240/223,507,644.60
  6. Step 6: Final answer
    x = 182,414,381.40

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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.