Home / 105,297,678.03-145,304,732.48-58,251,979.47

Finding the Fourth Proportional to 105,297,678.03, 145,304,732.48 and 58,251,979.47

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Solution

The fourth proportional to 105,297,678.03, 145,304,732.48 and 58,251,979.47 is: 80,384,377.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,297,678.03 : 145,304,732.48 = 58,251,979.47 : x
  2. Step 2: Convert to fraction form
    105,297,678.03/145,304,732.48 = 58,251,979.47/x
  3. Step 3: Cross multiply
    105,297,678.03x = 145,304,732.48 × 58,251,979.47
  4. Step 4: Simplify right side
    105,297,678.03x = 8,464,288,293,027,542
  5. Step 5: Solve for x
    x = 8,464,288,293,027,542/105,297,678.03
  6. Step 6: Final answer
    x = 80,384,377.43

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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.