Home / 133,596,013.20-200,394,019.80-79,848,301.20

Finding the Fourth Proportional to 133,596,013.20, 200,394,019.80 and 79,848,301.20

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Solution

The fourth proportional to 133,596,013.20, 200,394,019.80 and 79,848,301.20 is: 119,772,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,596,013.20 : 200,394,019.80 = 79,848,301.20 : x
  2. Step 2: Convert to fraction form
    133,596,013.20/200,394,019.80 = 79,848,301.20/x
  3. Step 3: Cross multiply
    133,596,013.20x = 200,394,019.80 × 79,848,301.20
  4. Step 4: Simplify right side
    133,596,013.20x = 16,001,122,051,669,166
  5. Step 5: Solve for x
    x = 16,001,122,051,669,166/133,596,013.20
  6. Step 6: Final answer
    x = 119,772,451.80

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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.