Home / 201,816,069.40-302,724,104.10-197,989,694.20

Finding the Fourth Proportional to 201,816,069.40, 302,724,104.10 and 197,989,694.20

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Solution

The fourth proportional to 201,816,069.40, 302,724,104.10 and 197,989,694.20 is: 296,984,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,816,069.40 : 302,724,104.10 = 197,989,694.20 : x
  2. Step 2: Convert to fraction form
    201,816,069.40/302,724,104.10 = 197,989,694.20/x
  3. Step 3: Cross multiply
    201,816,069.40x = 302,724,104.10 × 197,989,694.20
  4. Step 4: Simplify right side
    201,816,069.40x = 59,936,252,797,727,968
  5. Step 5: Solve for x
    x = 59,936,252,797,727,968/201,816,069.40
  6. Step 6: Final answer
    x = 296,984,541.30

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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.