Home / 133,596,008.70-200,394,013.05-79,848,296.70

Finding the Fourth Proportional to 133,596,008.70, 200,394,013.05 and 79,848,296.70

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Solution

The fourth proportional to 133,596,008.70, 200,394,013.05 and 79,848,296.70 is: 119,772,445.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,596,008.70 : 200,394,013.05 = 79,848,296.70 : x
  2. Step 2: Convert to fraction form
    133,596,008.70/200,394,013.05 = 79,848,296.70/x
  3. Step 3: Cross multiply
    133,596,008.70x = 200,394,013.05 × 79,848,296.70
  4. Step 4: Simplify right side
    133,596,008.70x = 16,001,120,610,920,074
  5. Step 5: Solve for x
    x = 16,001,120,610,920,074/133,596,008.70
  6. Step 6: Final answer
    x = 119,772,445.05

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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.