Home / 280,212,287.88-419,953,804.20-114,022,075.86

Finding the Fourth Proportional to 280,212,287.88, 419,953,804.20 and 114,022,075.86

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Solution

The fourth proportional to 280,212,287.88, 419,953,804.20 and 114,022,075.86 is: 170,884,742.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,212,287.88 : 419,953,804.20 = 114,022,075.86 : x
  2. Step 2: Convert to fraction form
    280,212,287.88/419,953,804.20 = 114,022,075.86/x
  3. Step 3: Cross multiply
    280,212,287.88x = 419,953,804.20 × 114,022,075.86
  4. Step 4: Simplify right side
    280,212,287.88x = 47,884,004,520,187,984
  5. Step 5: Solve for x
    x = 47,884,004,520,187,984/280,212,287.88
  6. Step 6: Final answer
    x = 170,884,742.00

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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.