Home / 112,969,222.82-155,888,971.87-63,400,023.09

Finding the Fourth Proportional to 112,969,222.82, 155,888,971.87 and 63,400,023.09

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Solution

The fourth proportional to 112,969,222.82, 155,888,971.87 and 63,400,023.09 is: 87,487,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,969,222.82 : 155,888,971.87 = 63,400,023.09 : x
  2. Step 2: Convert to fraction form
    112,969,222.82/155,888,971.87 = 63,400,023.09/x
  3. Step 3: Cross multiply
    112,969,222.82x = 155,888,971.87 × 63,400,023.09
  4. Step 4: Simplify right side
    112,969,222.82x = 9,883,364,416,460,444
  5. Step 5: Solve for x
    x = 9,883,364,416,460,444/112,969,222.82
  6. Step 6: Final answer
    x = 87,487,230.32

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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.