Home / 304,315,234-419,955,022.96-173,937,841.36

Finding the Fourth Proportional to 304,315,234, 419,955,022.96 and 173,937,841.36

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Solution

The fourth proportional to 304,315,234, 419,955,022.96 and 173,937,841.36 is: 240,034,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,315,234 : 419,955,022.96 = 173,937,841.36 : x
  2. Step 2: Convert to fraction form
    304,315,234/419,955,022.96 = 173,937,841.36/x
  3. Step 3: Cross multiply
    304,315,234x = 419,955,022.96 × 173,937,841.36
  4. Step 4: Simplify right side
    304,315,234x = 73,046,070,161,951,632
  5. Step 5: Solve for x
    x = 73,046,070,161,951,632/304,315,234
  6. Step 6: Final answer
    x = 240,034,221.10

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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.