Home / 115,477,849.26-173,216,996.78-28,038,997.53

Finding the Fourth Proportional to 115,477,849.26, 173,216,996.78 and 28,038,997.53

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Solution

The fourth proportional to 115,477,849.26, 173,216,996.78 and 28,038,997.53 is: 42,058,550.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,477,849.26 : 173,216,996.78 = 28,038,997.53 : x
  2. Step 2: Convert to fraction form
    115,477,849.26/173,216,996.78 = 28,038,997.53/x
  3. Step 3: Cross multiply
    115,477,849.26x = 173,216,996.78 × 28,038,997.53
  4. Step 4: Simplify right side
    115,477,849.26x = 4,856,830,944,728,243
  5. Step 5: Solve for x
    x = 4,856,830,944,728,243/115,477,849.26
  6. Step 6: Final answer
    x = 42,058,550.41

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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.