Home / 195,728,487.40-293,583,399.90-66,323,405.80

Finding the Fourth Proportional to 195,728,487.40, 293,583,399.90 and 66,323,405.80

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Solution

The fourth proportional to 195,728,487.40, 293,583,399.90 and 66,323,405.80 is: 99,481,946.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,728,487.40 : 293,583,399.90 = 66,323,405.80 : x
  2. Step 2: Convert to fraction form
    195,728,487.40/293,583,399.90 = 66,323,405.80/x
  3. Step 3: Cross multiply
    195,728,487.40x = 293,583,399.90 × 66,323,405.80
  4. Step 4: Simplify right side
    195,728,487.40x = 19,471,450,967,711,376
  5. Step 5: Solve for x
    x = 19,471,450,967,711,376/195,728,487.40
  6. Step 6: Final answer
    x = 99,481,946.78

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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.