Home / 315,284,270.32-435,105,511.23-181,322,291.15

Finding the Fourth Proportional to 315,284,270.32, 435,105,511.23 and 181,322,291.15

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Solution

The fourth proportional to 315,284,270.32, 435,105,511.23 and 181,322,291.15 is: 250,232,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,284,270.32 : 435,105,511.23 = 181,322,291.15 : x
  2. Step 2: Convert to fraction form
    315,284,270.32/435,105,511.23 = 181,322,291.15/x
  3. Step 3: Cross multiply
    315,284,270.32x = 435,105,511.23 × 181,322,291.15
  4. Step 4: Simplify right side
    315,284,270.32x = 78,894,328,189,303,424
  5. Step 5: Solve for x
    x = 78,894,328,189,303,424/315,284,270.32
  6. Step 6: Final answer
    x = 250,232,363.67

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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.