Home / 99,388,087.83-148,666,844.85-69,842,137.82

Finding the Fourth Proportional to 99,388,087.83, 148,666,844.85 and 69,842,137.82

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Solution

The fourth proportional to 99,388,087.83, 148,666,844.85 and 69,842,137.82 is: 104,471,375.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,388,087.83 : 148,666,844.85 = 69,842,137.82 : x
  2. Step 2: Convert to fraction form
    99,388,087.83/148,666,844.85 = 69,842,137.82/x
  3. Step 3: Cross multiply
    99,388,087.83x = 148,666,844.85 × 69,842,137.82
  4. Step 4: Simplify right side
    99,388,087.83x = 10,383,210,266,273,014
  5. Step 5: Solve for x
    x = 10,383,210,266,273,014/99,388,087.83
  6. Step 6: Final answer
    x = 104,471,375.72

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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.