Home / 69,772,289.30-104,661,323.31-20,588,140.94

Finding the Fourth Proportional to 69,772,289.30, 104,661,323.31 and 20,588,140.94

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Solution

The fourth proportional to 69,772,289.30, 104,661,323.31 and 20,588,140.94 is: 30,883,063.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,772,289.30 : 104,661,323.31 = 20,588,140.94 : x
  2. Step 2: Convert to fraction form
    69,772,289.30/104,661,323.31 = 20,588,140.94/x
  3. Step 3: Cross multiply
    69,772,289.30x = 104,661,323.31 × 20,588,140.94
  4. Step 4: Simplify right side
    69,772,289.30x = 2,154,782,075,273,187.50
  5. Step 5: Solve for x
    x = 2,154,782,075,273,187.50/69,772,289.30
  6. Step 6: Final answer
    x = 30,883,063.99

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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.