Home / 57,285,743.69-85,868,451.36-28,099,169.82

Finding the Fourth Proportional to 57,285,743.69, 85,868,451.36 and 28,099,169.82

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Solution

The fourth proportional to 57,285,743.69, 85,868,451.36 and 28,099,169.82 is: 42,119,243.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,285,743.69 : 85,868,451.36 = 28,099,169.82 : x
  2. Step 2: Convert to fraction form
    57,285,743.69/85,868,451.36 = 28,099,169.82/x
  3. Step 3: Cross multiply
    57,285,743.69x = 85,868,451.36 × 28,099,169.82
  4. Step 4: Simplify right side
    57,285,743.69x = 2,412,832,196,945,050
  5. Step 5: Solve for x
    x = 2,412,832,196,945,050/57,285,743.69
  6. Step 6: Final answer
    x = 42,119,243.67

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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.