Home / 201,801,576.42-278,486,164.80-108,982,075.32

Finding the Fourth Proportional to 201,801,576.42, 278,486,164.80 and 108,982,075.32

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Solution

The fourth proportional to 201,801,576.42, 278,486,164.80 and 108,982,075.32 is: 150,395,258.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,801,576.42 : 278,486,164.80 = 108,982,075.32 : x
  2. Step 2: Convert to fraction form
    201,801,576.42/278,486,164.80 = 108,982,075.32/x
  3. Step 3: Cross multiply
    201,801,576.42x = 278,486,164.80 × 108,982,075.32
  4. Step 4: Simplify right side
    201,801,576.42x = 30,350,000,187,811,532
  5. Step 5: Solve for x
    x = 30,350,000,187,811,532/201,801,576.42
  6. Step 6: Final answer
    x = 150,395,258.18

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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.