Home / 209,952,369.80-314,928,554.70-192,095,952.20

Finding the Fourth Proportional to 209,952,369.80, 314,928,554.70 and 192,095,952.20

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Solution

The fourth proportional to 209,952,369.80, 314,928,554.70 and 192,095,952.20 is: 288,143,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,369.80 : 314,928,554.70 = 192,095,952.20 : x
  2. Step 2: Convert to fraction form
    209,952,369.80/314,928,554.70 = 192,095,952.20/x
  3. Step 3: Cross multiply
    209,952,369.80x = 314,928,554.70 × 192,095,952.20
  4. Step 4: Simplify right side
    209,952,369.80x = 60,496,500,590,066,280
  5. Step 5: Solve for x
    x = 60,496,500,590,066,280/209,952,369.80
  6. Step 6: Final answer
    x = 288,143,928.30

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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.