Home / 140,962,879.80-211,444,319.70-131,396,941.80

Finding the Fourth Proportional to 140,962,879.80, 211,444,319.70 and 131,396,941.80

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Solution

The fourth proportional to 140,962,879.80, 211,444,319.70 and 131,396,941.80 is: 197,095,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,962,879.80 : 211,444,319.70 = 131,396,941.80 : x
  2. Step 2: Convert to fraction form
    140,962,879.80/211,444,319.70 = 131,396,941.80/x
  3. Step 3: Cross multiply
    140,962,879.80x = 211,444,319.70 × 131,396,941.80
  4. Step 4: Simplify right side
    140,962,879.80x = 27,783,136,969,561,492
  5. Step 5: Solve for x
    x = 27,783,136,969,561,492/140,962,879.80
  6. Step 6: Final answer
    x = 197,095,412.70

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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.