Home / 64,281,694.74-96,448,089.32-20,569,186.55

Finding the Fourth Proportional to 64,281,694.74, 96,448,089.32 and 20,569,186.55

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Solution

The fourth proportional to 64,281,694.74, 96,448,089.32 and 20,569,186.55 is: 30,861,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,281,694.74 : 96,448,089.32 = 20,569,186.55 : x
  2. Step 2: Convert to fraction form
    64,281,694.74/96,448,089.32 = 20,569,186.55/x
  3. Step 3: Cross multiply
    64,281,694.74x = 96,448,089.32 × 20,569,186.55
  4. Step 4: Simplify right side
    64,281,694.74x = 1,983,858,741,029,056.50
  5. Step 5: Solve for x
    x = 1,983,858,741,029,056.50/64,281,694.74
  6. Step 6: Final answer
    x = 30,861,954.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.