Home / 304,499,749.06-420,209,964.69-165,270,539.53

Finding the Fourth Proportional to 304,499,749.06, 420,209,964.69 and 165,270,539.53

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Solution

The fourth proportional to 304,499,749.06, 420,209,964.69 and 165,270,539.53 is: 228,073,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,499,749.06 : 420,209,964.69 = 165,270,539.53 : x
  2. Step 2: Convert to fraction form
    304,499,749.06/420,209,964.69 = 165,270,539.53/x
  3. Step 3: Cross multiply
    304,499,749.06x = 420,209,964.69 × 165,270,539.53
  4. Step 4: Simplify right side
    304,499,749.06x = 69,448,327,578,097,504
  5. Step 5: Solve for x
    x = 69,448,327,578,097,504/304,499,749.06
  6. Step 6: Final answer
    x = 228,073,513.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.