Home / 51,775,440.03-77,642,976.72-19,409,682.60

Finding the Fourth Proportional to 51,775,440.03, 77,642,976.72 and 19,409,682.60

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Solution

The fourth proportional to 51,775,440.03, 77,642,976.72 and 19,409,682.60 is: 29,106,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,775,440.03 : 77,642,976.72 = 19,409,682.60 : x
  2. Step 2: Convert to fraction form
    51,775,440.03/77,642,976.72 = 19,409,682.60/x
  3. Step 3: Cross multiply
    51,775,440.03x = 77,642,976.72 × 19,409,682.60
  4. Step 4: Simplify right side
    51,775,440.03x = 1,507,025,534,254,389.25
  5. Step 5: Solve for x
    x = 1,507,025,534,254,389.25/51,775,440.03
  6. Step 6: Final answer
    x = 29,106,957.53

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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.