Home / 107,980,323.90-162,008,277.21-31,307,953.02

Finding the Fourth Proportional to 107,980,323.90, 162,008,277.21 and 31,307,953.02

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Solution

The fourth proportional to 107,980,323.90, 162,008,277.21 and 31,307,953.02 is: 46,972,886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,980,323.90 : 162,008,277.21 = 31,307,953.02 : x
  2. Step 2: Convert to fraction form
    107,980,323.90/162,008,277.21 = 31,307,953.02/x
  3. Step 3: Cross multiply
    107,980,323.90x = 162,008,277.21 × 31,307,953.02
  4. Step 4: Simplify right side
    107,980,323.90x = 5,072,147,531,741,817
  5. Step 5: Solve for x
    x = 5,072,147,531,741,817/107,980,323.90
  6. Step 6: Final answer
    x = 46,972,886.81

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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.