Home / 136,370,858.60-204,556,287.90-50,171,128.40

Finding the Fourth Proportional to 136,370,858.60, 204,556,287.90 and 50,171,128.40

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Solution

The fourth proportional to 136,370,858.60, 204,556,287.90 and 50,171,128.40 is: 75,256,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,370,858.60 : 204,556,287.90 = 50,171,128.40 : x
  2. Step 2: Convert to fraction form
    136,370,858.60/204,556,287.90 = 50,171,128.40/x
  3. Step 3: Cross multiply
    136,370,858.60x = 204,556,287.90 × 50,171,128.40
  4. Step 4: Simplify right side
    136,370,858.60x = 10,262,819,785,258,266
  5. Step 5: Solve for x
    x = 10,262,819,785,258,266/136,370,858.60
  6. Step 6: Final answer
    x = 75,256,692.60

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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.