Home / 201,900,706.68-278,623,172.34-109,081,288.35

Finding the Fourth Proportional to 201,900,706.68, 278,623,172.34 and 109,081,288.35

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Solution

The fourth proportional to 201,900,706.68, 278,623,172.34 and 109,081,288.35 is: 150,532,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,900,706.68 : 278,623,172.34 = 109,081,288.35 : x
  2. Step 2: Convert to fraction form
    201,900,706.68/278,623,172.34 = 109,081,288.35/x
  3. Step 3: Cross multiply
    201,900,706.68x = 278,623,172.34 × 109,081,288.35
  4. Step 4: Simplify right side
    201,900,706.68x = 30,392,574,603,011,280
  5. Step 5: Solve for x
    x = 30,392,574,603,011,280/201,900,706.68
  6. Step 6: Final answer
    x = 150,532,284.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.