Home / 64,812,865.23-89,449,924.39-42,504,612.03

Finding the Fourth Proportional to 64,812,865.23, 89,449,924.39 and 42,504,612.03

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Solution

The fourth proportional to 64,812,865.23, 89,449,924.39 and 42,504,612.03 is: 58,661,722.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,812,865.23 : 89,449,924.39 = 42,504,612.03 : x
  2. Step 2: Convert to fraction form
    64,812,865.23/89,449,924.39 = 42,504,612.03/x
  3. Step 3: Cross multiply
    64,812,865.23x = 89,449,924.39 × 42,504,612.03
  4. Step 4: Simplify right side
    64,812,865.23x = 3,802,034,332,203,523
  5. Step 5: Solve for x
    x = 3,802,034,332,203,523/64,812,865.23
  6. Step 6: Final answer
    x = 58,661,722.77

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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.