Home / 198,416,510.94-273,784,745.40-113,630,446.61

Finding the Fourth Proportional to 198,416,510.94, 273,784,745.40 and 113,630,446.61

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Solution

The fourth proportional to 198,416,510.94, 273,784,745.40 and 113,630,446.61 is: 156,792,812.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,416,510.94 : 273,784,745.40 = 113,630,446.61 : x
  2. Step 2: Convert to fraction form
    198,416,510.94/273,784,745.40 = 113,630,446.61/x
  3. Step 3: Cross multiply
    198,416,510.94x = 273,784,745.40 × 113,630,446.61
  4. Step 4: Simplify right side
    198,416,510.94x = 31,110,282,894,807,140
  5. Step 5: Solve for x
    x = 31,110,282,894,807,140/198,416,510.94
  6. Step 6: Final answer
    x = 156,792,812.99

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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.