Home / 195,783,639.80-293,675,459.70-163,933,143.80

Finding the Fourth Proportional to 195,783,639.80, 293,675,459.70 and 163,933,143.80

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Solution

The fourth proportional to 195,783,639.80, 293,675,459.70 and 163,933,143.80 is: 245,899,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,783,639.80 : 293,675,459.70 = 163,933,143.80 : x
  2. Step 2: Convert to fraction form
    195,783,639.80/293,675,459.70 = 163,933,143.80/x
  3. Step 3: Cross multiply
    195,783,639.80x = 293,675,459.70 × 163,933,143.80
  4. Step 4: Simplify right side
    195,783,639.80x = 48,143,141,365,531,208
  5. Step 5: Solve for x
    x = 48,143,141,365,531,208/195,783,639.80
  6. Step 6: Final answer
    x = 245,899,715.70

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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.