Home / 186,965,643.20-280,448,464.80-106,344,075.20

Finding the Fourth Proportional to 186,965,643.20, 280,448,464.80 and 106,344,075.20

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Solution

The fourth proportional to 186,965,643.20, 280,448,464.80 and 106,344,075.20 is: 159,516,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,965,643.20 : 280,448,464.80 = 106,344,075.20 : x
  2. Step 2: Convert to fraction form
    186,965,643.20/280,448,464.80 = 106,344,075.20/x
  3. Step 3: Cross multiply
    186,965,643.20x = 280,448,464.80 × 106,344,075.20
  4. Step 4: Simplify right side
    186,965,643.20x = 29,824,032,630,415,756
  5. Step 5: Solve for x
    x = 29,824,032,630,415,756/186,965,643.20
  6. Step 6: Final answer
    x = 159,516,112.80

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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.