Home / 81,661,516.80-122,492,275.20-36,223,311.30

Finding the Fourth Proportional to 81,661,516.80, 122,492,275.20 and 36,223,311.30

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Solution

The fourth proportional to 81,661,516.80, 122,492,275.20 and 36,223,311.30 is: 54,334,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,661,516.80 : 122,492,275.20 = 36,223,311.30 : x
  2. Step 2: Convert to fraction form
    81,661,516.80/122,492,275.20 = 36,223,311.30/x
  3. Step 3: Cross multiply
    81,661,516.80x = 122,492,275.20 × 36,223,311.30
  4. Step 4: Simplify right side
    81,661,516.80x = 4,437,075,816,414,869.50
  5. Step 5: Solve for x
    x = 4,437,075,816,414,869.50/81,661,516.80
  6. Step 6: Final answer
    x = 54,334,966.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.