Home / 217,630,698.15-326,020,894.43-131,112,103.35

Finding the Fourth Proportional to 217,630,698.15, 326,020,894.43 and 131,112,103.35

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Solution

The fourth proportional to 217,630,698.15, 326,020,894.43 and 131,112,103.35 is: 196,412,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,630,698.15 : 326,020,894.43 = 131,112,103.35 : x
  2. Step 2: Convert to fraction form
    217,630,698.15/326,020,894.43 = 131,112,103.35/x
  3. Step 3: Cross multiply
    217,630,698.15x = 326,020,894.43 × 131,112,103.35
  4. Step 4: Simplify right side
    217,630,698.15x = 42,745,285,204,110,040
  5. Step 5: Solve for x
    x = 42,745,285,204,110,040/217,630,698.15
  6. Step 6: Final answer
    x = 196,412,020.76

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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.