Home / 304,238,770.63-419,859,007.40-172,077,181.02

Finding the Fourth Proportional to 304,238,770.63, 419,859,007.40 and 172,077,181.02

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Solution

The fourth proportional to 304,238,770.63, 419,859,007.40 and 172,077,181.02 is: 237,471,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,238,770.63 : 419,859,007.40 = 172,077,181.02 : x
  2. Step 2: Convert to fraction form
    304,238,770.63/419,859,007.40 = 172,077,181.02/x
  3. Step 3: Cross multiply
    304,238,770.63x = 419,859,007.40 × 172,077,181.02
  4. Step 4: Simplify right side
    304,238,770.63x = 72,248,154,419,677,520
  5. Step 5: Solve for x
    x = 72,248,154,419,677,520/304,238,770.63
  6. Step 6: Final answer
    x = 237,471,885.23

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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.