Home / 105,297,680.28-145,304,735.58-58,251,981.72

Finding the Fourth Proportional to 105,297,680.28, 145,304,735.58 and 58,251,981.72

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Solution

The fourth proportional to 105,297,680.28, 145,304,735.58 and 58,251,981.72 is: 80,384,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,297,680.28 : 145,304,735.58 = 58,251,981.72 : x
  2. Step 2: Convert to fraction form
    105,297,680.28/145,304,735.58 = 58,251,981.72/x
  3. Step 3: Cross multiply
    105,297,680.28x = 145,304,735.58 × 58,251,981.72
  4. Step 4: Simplify right side
    105,297,680.28x = 8,464,288,800,835,594
  5. Step 5: Solve for x
    x = 8,464,288,800,835,594/105,297,680.28
  6. Step 6: Final answer
    x = 80,384,380.53

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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.