Home / 281,089,440.44-387,848,303.16-176,606,978.30

Finding the Fourth Proportional to 281,089,440.44, 387,848,303.16 and 176,606,978.30

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Solution

The fourth proportional to 281,089,440.44, 387,848,303.16 and 176,606,978.30 is: 243,682,995.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,089,440.44 : 387,848,303.16 = 176,606,978.30 : x
  2. Step 2: Convert to fraction form
    281,089,440.44/387,848,303.16 = 176,606,978.30/x
  3. Step 3: Cross multiply
    281,089,440.44x = 387,848,303.16 × 176,606,978.30
  4. Step 4: Simplify right side
    281,089,440.44x = 68,496,716,859,869,952
  5. Step 5: Solve for x
    x = 68,496,716,859,869,952/281,089,440.44
  6. Step 6: Final answer
    x = 243,682,995.54

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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.