Home / 107,819,644.72-161,670,239.64-53,111,855.92

Finding the Fourth Proportional to 107,819,644.72, 161,670,239.64 and 53,111,855.92

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Solution

The fourth proportional to 107,819,644.72, 161,670,239.64 and 53,111,855.92 is: 79,638,608.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,819,644.72 : 161,670,239.64 = 53,111,855.92 : x
  2. Step 2: Convert to fraction form
    107,819,644.72/161,670,239.64 = 53,111,855.92/x
  3. Step 3: Cross multiply
    107,819,644.72x = 161,670,239.64 × 53,111,855.92
  4. Step 4: Simplify right side
    107,819,644.72x = 8,586,606,474,311,552
  5. Step 5: Solve for x
    x = 8,586,606,474,311,552/107,819,644.72
  6. Step 6: Final answer
    x = 79,638,608.50

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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.