Home / 141,768,202.40-212,652,303.60-120,605,040.80

Finding the Fourth Proportional to 141,768,202.40, 212,652,303.60 and 120,605,040.80

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Solution

The fourth proportional to 141,768,202.40, 212,652,303.60 and 120,605,040.80 is: 180,907,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,768,202.40 : 212,652,303.60 = 120,605,040.80 : x
  2. Step 2: Convert to fraction form
    141,768,202.40/212,652,303.60 = 120,605,040.80/x
  3. Step 3: Cross multiply
    141,768,202.40x = 212,652,303.60 × 120,605,040.80
  4. Step 4: Simplify right side
    141,768,202.40x = 25,646,939,751,891,984
  5. Step 5: Solve for x
    x = 25,646,939,751,891,984/141,768,202.40
  6. Step 6: Final answer
    x = 180,907,561.20

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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.