Home / 76,623,857.87-105,739,448.33-41,816,797.41

Finding the Fourth Proportional to 76,623,857.87, 105,739,448.33 and 41,816,797.41

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Solution

The fourth proportional to 76,623,857.87, 105,739,448.33 and 41,816,797.41 is: 57,706,375.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,623,857.87 : 105,739,448.33 = 41,816,797.41 : x
  2. Step 2: Convert to fraction form
    76,623,857.87/105,739,448.33 = 41,816,797.41/x
  3. Step 3: Cross multiply
    76,623,857.87x = 105,739,448.33 × 41,816,797.41
  4. Step 4: Simplify right side
    76,623,857.87x = 4,421,685,089,060,772.50
  5. Step 5: Solve for x
    x = 4,421,685,089,060,772.50/76,623,857.87
  6. Step 6: Final answer
    x = 57,706,375.17

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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.