Home / 70,726,614.08-106,089,949.78-31,819,629.82

Finding the Fourth Proportional to 70,726,614.08, 106,089,949.78 and 31,819,629.82

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Solution

The fourth proportional to 70,726,614.08, 106,089,949.78 and 31,819,629.82 is: 47,729,457.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,726,614.08 : 106,089,949.78 = 31,819,629.82 : x
  2. Step 2: Convert to fraction form
    70,726,614.08/106,089,949.78 = 31,819,629.82/x
  3. Step 3: Cross multiply
    70,726,614.08x = 106,089,949.78 × 31,819,629.82
  4. Step 4: Simplify right side
    70,726,614.08x = 3,375,742,929,621,990.50
  5. Step 5: Solve for x
    x = 3,375,742,929,621,990.50/70,726,614.08
  6. Step 6: Final answer
    x = 47,729,457.62

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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.