Home / 202,630,907.63-279,630,891.67-109,811,415.48

Finding the Fourth Proportional to 202,630,907.63, 279,630,891.67 and 109,811,415.48

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Solution

The fourth proportional to 202,630,907.63, 279,630,891.67 and 109,811,415.48 is: 151,539,882.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,630,907.63 : 279,630,891.67 = 109,811,415.48 : x
  2. Step 2: Convert to fraction form
    202,630,907.63/279,630,891.67 = 109,811,415.48/x
  3. Step 3: Cross multiply
    202,630,907.63x = 279,630,891.67 × 109,811,415.48
  4. Step 4: Simplify right side
    202,630,907.63x = 30,706,664,026,217,244
  5. Step 5: Solve for x
    x = 30,706,664,026,217,244/202,630,907.63
  6. Step 6: Final answer
    x = 151,539,882.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.