Home / 112,445,916.40-168,672,608.34-38,668,972.60

Finding the Fourth Proportional to 112,445,916.40, 168,672,608.34 and 38,668,972.60

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Solution

The fourth proportional to 112,445,916.40, 168,672,608.34 and 38,668,972.60 is: 58,004,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,445,916.40 : 168,672,608.34 = 38,668,972.60 : x
  2. Step 2: Convert to fraction form
    112,445,916.40/168,672,608.34 = 38,668,972.60/x
  3. Step 3: Cross multiply
    112,445,916.40x = 168,672,608.34 × 38,668,972.60
  4. Step 4: Simplify right side
    112,445,916.40x = 6,522,396,470,269,992
  5. Step 5: Solve for x
    x = 6,522,396,470,269,992/112,445,916.40
  6. Step 6: Final answer
    x = 58,004,742.89

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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.