Home / 165,920,005.20-248,880,007.80-131,282,590.80

Finding the Fourth Proportional to 165,920,005.20, 248,880,007.80 and 131,282,590.80

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Solution

The fourth proportional to 165,920,005.20, 248,880,007.80 and 131,282,590.80 is: 196,923,886.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,920,005.20 : 248,880,007.80 = 131,282,590.80 : x
  2. Step 2: Convert to fraction form
    165,920,005.20/248,880,007.80 = 131,282,590.80/x
  3. Step 3: Cross multiply
    165,920,005.20x = 248,880,007.80 × 131,282,590.80
  4. Step 4: Simplify right side
    165,920,005.20x = 32,673,612,222,308,208
  5. Step 5: Solve for x
    x = 32,673,612,222,308,208/165,920,005.20
  6. Step 6: Final answer
    x = 196,923,886.20

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1.5x scale

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.