Home / 82,632,405.69-123,963,742.07-34,083,775.65

Finding the Fourth Proportional to 82,632,405.69, 123,963,742.07 and 34,083,775.65

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Solution

The fourth proportional to 82,632,405.69, 123,963,742.07 and 34,083,775.65 is: 51,131,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,632,405.69 : 123,963,742.07 = 34,083,775.65 : x
  2. Step 2: Convert to fraction form
    82,632,405.69/123,963,742.07 = 34,083,775.65/x
  3. Step 3: Cross multiply
    82,632,405.69x = 123,963,742.07 × 34,083,775.65
  4. Step 4: Simplify right side
    82,632,405.69x = 4,225,152,373,277,927.50
  5. Step 5: Solve for x
    x = 4,225,152,373,277,927.50/82,632,405.69
  6. Step 6: Final answer
    x = 51,131,905.67

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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.