Home / 140,650,578.80-211,047,809.72-66,957,623.60

Finding the Fourth Proportional to 140,650,578.80, 211,047,809.72 and 66,957,623.60

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Solution

The fourth proportional to 140,650,578.80, 211,047,809.72 and 66,957,623.60 is: 100,470,683.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,650,578.80 : 211,047,809.72 = 66,957,623.60 : x
  2. Step 2: Convert to fraction form
    140,650,578.80/211,047,809.72 = 66,957,623.60/x
  3. Step 3: Cross multiply
    140,650,578.80x = 211,047,809.72 × 66,957,623.60
  4. Step 4: Simplify right side
    140,650,578.80x = 14,131,259,804,836,182
  5. Step 5: Solve for x
    x = 14,131,259,804,836,182/140,650,578.80
  6. Step 6: Final answer
    x = 100,470,683.63

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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.