Home / 128,091,578.02-192,149,178.58-41,830,436.86

Finding the Fourth Proportional to 128,091,578.02, 192,149,178.58 and 41,830,436.86

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Solution

The fourth proportional to 128,091,578.02, 192,149,178.58 and 41,830,436.86 is: 62,749,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,091,578.02 : 192,149,178.58 = 41,830,436.86 : x
  2. Step 2: Convert to fraction form
    128,091,578.02/192,149,178.58 = 41,830,436.86/x
  3. Step 3: Cross multiply
    128,091,578.02x = 192,149,178.58 × 41,830,436.86
  4. Step 4: Simplify right side
    128,091,578.02x = 8,037,684,082,291,555
  5. Step 5: Solve for x
    x = 8,037,684,082,291,555/128,091,578.02
  6. Step 6: Final answer
    x = 62,749,512.55

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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.