Home / 304,839,076.16-420,680,881.06-165,610,836.20

Finding the Fourth Proportional to 304,839,076.16, 420,680,881.06 and 165,610,836.20

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Solution

The fourth proportional to 304,839,076.16, 420,680,881.06 and 165,610,836.20 is: 228,544,559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,839,076.16 : 420,680,881.06 = 165,610,836.20 : x
  2. Step 2: Convert to fraction form
    304,839,076.16/420,680,881.06 = 165,610,836.20/x
  3. Step 3: Cross multiply
    304,839,076.16x = 420,680,881.06 × 165,610,836.20
  4. Step 4: Simplify right side
    304,839,076.16x = 69,669,312,485,699,336
  5. Step 5: Solve for x
    x = 69,669,312,485,699,336/304,839,076.16
  6. Step 6: Final answer
    x = 228,544,559.85

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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.