Home / 79,886,231.70-119,829,347.55-45,874,007.70

Finding the Fourth Proportional to 79,886,231.70, 119,829,347.55 and 45,874,007.70

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Solution

The fourth proportional to 79,886,231.70, 119,829,347.55 and 45,874,007.70 is: 68,811,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,886,231.70 : 119,829,347.55 = 45,874,007.70 : x
  2. Step 2: Convert to fraction form
    79,886,231.70/119,829,347.55 = 45,874,007.70/x
  3. Step 3: Cross multiply
    79,886,231.70x = 119,829,347.55 × 45,874,007.70
  4. Step 4: Simplify right side
    79,886,231.70x = 5,497,052,412,194,676
  5. Step 5: Solve for x
    x = 5,497,052,412,194,676/79,886,231.70
  6. Step 6: Final answer
    x = 68,811,011.55

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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.