Home / 275,329,156.44-412,990,935.30-70,856,437.08

Finding the Fourth Proportional to 275,329,156.44, 412,990,935.30 and 70,856,437.08

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Solution

The fourth proportional to 275,329,156.44, 412,990,935.30 and 70,856,437.08 is: 106,283,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,329,156.44 : 412,990,935.30 = 70,856,437.08 : x
  2. Step 2: Convert to fraction form
    275,329,156.44/412,990,935.30 = 70,856,437.08/x
  3. Step 3: Cross multiply
    275,329,156.44x = 412,990,935.30 × 70,856,437.08
  4. Step 4: Simplify right side
    275,329,156.44x = 29,263,066,221,694,800
  5. Step 5: Solve for x
    x = 29,263,066,221,694,800/275,329,156.44
  6. Step 6: Final answer
    x = 106,283,935.20

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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.