Home / 51,361,873.91-70,879,379.87-28,157,164.82

Finding the Fourth Proportional to 51,361,873.91, 70,879,379.87 and 28,157,164.82

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Solution

The fourth proportional to 51,361,873.91, 70,879,379.87 and 28,157,164.82 is: 38,856,884.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,361,873.91 : 70,879,379.87 = 28,157,164.82 : x
  2. Step 2: Convert to fraction form
    51,361,873.91/70,879,379.87 = 28,157,164.82/x
  3. Step 3: Cross multiply
    51,361,873.91x = 70,879,379.87 × 28,157,164.82
  4. Step 4: Simplify right side
    51,361,873.91x = 1,995,762,381,338,980.25
  5. Step 5: Solve for x
    x = 1,995,762,381,338,980.25/51,361,873.91
  6. Step 6: Final answer
    x = 38,856,884.09

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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.