Home / 285,245,768.04-427,930,007.67-88,505,239.62

Finding the Fourth Proportional to 285,245,768.04, 427,930,007.67 and 88,505,239.62

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Solution

The fourth proportional to 285,245,768.04, 427,930,007.67 and 88,505,239.62 is: 132,776,896.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,245,768.04 : 427,930,007.67 = 88,505,239.62 : x
  2. Step 2: Convert to fraction form
    285,245,768.04/427,930,007.67 = 88,505,239.62/x
  3. Step 3: Cross multiply
    285,245,768.04x = 427,930,007.67 × 88,505,239.62
  4. Step 4: Simplify right side
    285,245,768.04x = 37,874,047,869,421,792
  5. Step 5: Solve for x
    x = 37,874,047,869,421,792/285,245,768.04
  6. Step 6: Final answer
    x = 132,776,896.67

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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.