Home / 116,979,907.59-161,437,315.68-64,768,942.85

Finding the Fourth Proportional to 116,979,907.59, 161,437,315.68 and 64,768,942.85

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Solution

The fourth proportional to 116,979,907.59, 161,437,315.68 and 64,768,942.85 is: 89,383,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,979,907.59 : 161,437,315.68 = 64,768,942.85 : x
  2. Step 2: Convert to fraction form
    116,979,907.59/161,437,315.68 = 64,768,942.85/x
  3. Step 3: Cross multiply
    116,979,907.59x = 161,437,315.68 × 64,768,942.85
  4. Step 4: Simplify right side
    116,979,907.59x = 10,456,124,272,328,142
  5. Step 5: Solve for x
    x = 10,456,124,272,328,142/116,979,907.59
  6. Step 6: Final answer
    x = 89,383,933.43

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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.