Home / 179,881,018.45-248,237,516.80-105,542,843.60

Finding the Fourth Proportional to 179,881,018.45, 248,237,516.80 and 105,542,843.60

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Solution

The fourth proportional to 179,881,018.45, 248,237,516.80 and 105,542,843.60 is: 145,650,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,881,018.45 : 248,237,516.80 = 105,542,843.60 : x
  2. Step 2: Convert to fraction form
    179,881,018.45/248,237,516.80 = 105,542,843.60/x
  3. Step 3: Cross multiply
    179,881,018.45x = 248,237,516.80 × 105,542,843.60
  4. Step 4: Simplify right side
    179,881,018.45x = 26,199,693,412,027,296
  5. Step 5: Solve for x
    x = 26,199,693,412,027,296/179,881,018.45
  6. Step 6: Final answer
    x = 145,650,128.28

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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.