Home / 259,174,601.80-388,766,510.70-77,424,022.60

Finding the Fourth Proportional to 259,174,601.80, 388,766,510.70 and 77,424,022.60

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Solution

The fourth proportional to 259,174,601.80, 388,766,510.70 and 77,424,022.60 is: 116,137,410.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,174,601.80 : 388,766,510.70 = 77,424,022.60 : x
  2. Step 2: Convert to fraction form
    259,174,601.80/388,766,510.70 = 77,424,022.60/x
  3. Step 3: Cross multiply
    259,174,601.80x = 388,766,510.70 × 77,424,022.60
  4. Step 4: Simplify right side
    259,174,601.80x = 30,099,867,110,559,940
  5. Step 5: Solve for x
    x = 30,099,867,110,559,940/259,174,601.80
  6. Step 6: Final answer
    x = 116,137,410.46

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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.