Home / 69,568,831.20-104,353,246.80-61,916,080.80

Finding the Fourth Proportional to 69,568,831.20, 104,353,246.80 and 61,916,080.80

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Solution

The fourth proportional to 69,568,831.20, 104,353,246.80 and 61,916,080.80 is: 92,874,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,568,831.20 : 104,353,246.80 = 61,916,080.80 : x
  2. Step 2: Convert to fraction form
    69,568,831.20/104,353,246.80 = 61,916,080.80/x
  3. Step 3: Cross multiply
    69,568,831.20x = 104,353,246.80 × 61,916,080.80
  4. Step 4: Simplify right side
    69,568,831.20x = 6,461,144,060,611,141
  5. Step 5: Solve for x
    x = 6,461,144,060,611,141/69,568,831.20
  6. Step 6: Final answer
    x = 92,874,121.20

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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.