Home / 71,235,429.60-106,769,163.60-37,139,224.80

Finding the Fourth Proportional to 71,235,429.60, 106,769,163.60 and 37,139,224.80

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Solution

The fourth proportional to 71,235,429.60, 106,769,163.60 and 37,139,224.80 is: 55,665,053.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,235,429.60 : 106,769,163.60 = 37,139,224.80 : x
  2. Step 2: Convert to fraction form
    71,235,429.60/106,769,163.60 = 37,139,224.80/x
  3. Step 3: Cross multiply
    71,235,429.60x = 106,769,163.60 × 37,139,224.80
  4. Step 4: Simplify right side
    71,235,429.60x = 3,965,323,968,648,376.50
  5. Step 5: Solve for x
    x = 3,965,323,968,648,376.50/71,235,429.60
  6. Step 6: Final answer
    x = 55,665,053.06

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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.