Home / 198,416,509.94-273,784,744.02-113,630,445.61

Finding the Fourth Proportional to 198,416,509.94, 273,784,744.02 and 113,630,445.61

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Solution

The fourth proportional to 198,416,509.94, 273,784,744.02 and 113,630,445.61 is: 156,792,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,416,509.94 : 273,784,744.02 = 113,630,445.61 : x
  2. Step 2: Convert to fraction form
    198,416,509.94/273,784,744.02 = 113,630,445.61/x
  3. Step 3: Cross multiply
    198,416,509.94x = 273,784,744.02 × 113,630,445.61
  4. Step 4: Simplify right side
    198,416,509.94x = 31,110,282,463,314,296
  5. Step 5: Solve for x
    x = 31,110,282,463,314,296/198,416,509.94
  6. Step 6: Final answer
    x = 156,792,811.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.