Home / 133,596,007.20-200,394,010.80-79,848,295.20

Finding the Fourth Proportional to 133,596,007.20, 200,394,010.80 and 79,848,295.20

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Solution

The fourth proportional to 133,596,007.20, 200,394,010.80 and 79,848,295.20 is: 119,772,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,596,007.20 : 200,394,010.80 = 79,848,295.20 : x
  2. Step 2: Convert to fraction form
    133,596,007.20/200,394,010.80 = 79,848,295.20/x
  3. Step 3: Cross multiply
    133,596,007.20x = 200,394,010.80 × 79,848,295.20
  4. Step 4: Simplify right side
    133,596,007.20x = 16,001,120,130,670,390
  5. Step 5: Solve for x
    x = 16,001,120,130,670,390/133,596,007.20
  6. Step 6: Final answer
    x = 119,772,442.80

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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.