Home / 454,026,749.78-681,040,133.67-108,980,376.81

Finding the Fourth Proportional to 454,026,749.78, 681,040,133.67 and 108,980,376.81

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Solution

The fourth proportional to 454,026,749.78, 681,040,133.67 and 108,980,376.81 is: 163,470,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,026,749.78 : 681,040,133.67 = 108,980,376.81 : x
  2. Step 2: Convert to fraction form
    454,026,749.78/681,040,133.67 = 108,980,376.81/x
  3. Step 3: Cross multiply
    454,026,749.78x = 681,040,133.67 × 108,980,376.81
  4. Step 4: Simplify right side
    454,026,749.78x = 74,220,010,390,089,360
  5. Step 5: Solve for x
    x = 74,220,010,390,089,360/454,026,749.78
  6. Step 6: Final answer
    x = 163,470,567.38

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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.