Home / 166,168,936.13-249,030,603.77-129,325,314.60

Finding the Fourth Proportional to 166,168,936.13, 249,030,603.77 and 129,325,314.60

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Solution

The fourth proportional to 166,168,936.13, 249,030,603.77 and 129,325,314.60 is: 193,814,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,168,936.13 : 249,030,603.77 = 129,325,314.60 : x
  2. Step 2: Convert to fraction form
    166,168,936.13/249,030,603.77 = 129,325,314.60/x
  3. Step 3: Cross multiply
    166,168,936.13x = 249,030,603.77 × 129,325,314.60
  4. Step 4: Simplify right side
    166,168,936.13x = 32,205,961,176,936,568
  5. Step 5: Solve for x
    x = 32,205,961,176,936,568/166,168,936.13
  6. Step 6: Final answer
    x = 193,814,571.65

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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.