Home / 51,776,906.86-77,645,174.28-19,411,165.81

Finding the Fourth Proportional to 51,776,906.86, 77,645,174.28 and 19,411,165.81

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Solution

The fourth proportional to 51,776,906.86, 77,645,174.28 and 19,411,165.81 is: 29,109,180.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,776,906.86 : 77,645,174.28 = 19,411,165.81 : x
  2. Step 2: Convert to fraction form
    51,776,906.86/77,645,174.28 = 19,411,165.81/x
  3. Step 3: Cross multiply
    51,776,906.86x = 77,645,174.28 × 19,411,165.81
  4. Step 4: Simplify right side
    51,776,906.86x = 1,507,183,352,295,427.25
  5. Step 5: Solve for x
    x = 1,507,183,352,295,427.25/51,776,906.86
  6. Step 6: Final answer
    x = 29,109,180.98

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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.