Home / 240,631,656.80-360,947,485.20-111,491,493.80

Finding the Fourth Proportional to 240,631,656.80, 360,947,485.20 and 111,491,493.80

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Solution

The fourth proportional to 240,631,656.80, 360,947,485.20 and 111,491,493.80 is: 167,237,240.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,631,656.80 : 360,947,485.20 = 111,491,493.80 : x
  2. Step 2: Convert to fraction form
    240,631,656.80/360,947,485.20 = 111,491,493.80/x
  3. Step 3: Cross multiply
    240,631,656.80x = 360,947,485.20 × 111,491,493.80
  4. Step 4: Simplify right side
    240,631,656.80x = 40,242,574,308,301,392
  5. Step 5: Solve for x
    x = 40,242,574,308,301,392/240,631,656.80
  6. Step 6: Final answer
    x = 167,237,240.70

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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.