Home / 112,993,314.60-169,489,971.90-31,112,034.60

Finding the Fourth Proportional to 112,993,314.60, 169,489,971.90 and 31,112,034.60

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Solution

The fourth proportional to 112,993,314.60, 169,489,971.90 and 31,112,034.60 is: 46,668,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,993,314.60 : 169,489,971.90 = 31,112,034.60 : x
  2. Step 2: Convert to fraction form
    112,993,314.60/169,489,971.90 = 31,112,034.60/x
  3. Step 3: Cross multiply
    112,993,314.60x = 169,489,971.90 × 31,112,034.60
  4. Step 4: Simplify right side
    112,993,314.60x = 5,273,177,870,105,828
  5. Step 5: Solve for x
    x = 5,273,177,870,105,828/112,993,314.60
  6. Step 6: Final answer
    x = 46,668,051.90

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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.