Home / 255,816,538.40-383,724,807.60-174,187,200.80

Finding the Fourth Proportional to 255,816,538.40, 383,724,807.60 and 174,187,200.80

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Solution

The fourth proportional to 255,816,538.40, 383,724,807.60 and 174,187,200.80 is: 261,280,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,816,538.40 : 383,724,807.60 = 174,187,200.80 : x
  2. Step 2: Convert to fraction form
    255,816,538.40/383,724,807.60 = 174,187,200.80/x
  3. Step 3: Cross multiply
    255,816,538.40x = 383,724,807.60 × 174,187,200.80
  4. Step 4: Simplify right side
    255,816,538.40x = 66,839,950,113,362,576
  5. Step 5: Solve for x
    x = 66,839,950,113,362,576/255,816,538.40
  6. Step 6: Final answer
    x = 261,280,801.20

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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.