Home / 77,407,843.68-116,084,099.52-25,582,854.60

Finding the Fourth Proportional to 77,407,843.68, 116,084,099.52 and 25,582,854.60

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Solution

The fourth proportional to 77,407,843.68, 116,084,099.52 and 25,582,854.60 is: 38,365,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,407,843.68 : 116,084,099.52 = 25,582,854.60 : x
  2. Step 2: Convert to fraction form
    77,407,843.68/116,084,099.52 = 25,582,854.60/x
  3. Step 3: Cross multiply
    77,407,843.68x = 116,084,099.52 × 25,582,854.60
  4. Step 4: Simplify right side
    77,407,843.68x = 2,969,762,639,392,090
  5. Step 5: Solve for x
    x = 2,969,762,639,392,090/77,407,843.68
  6. Step 6: Final answer
    x = 38,365,138.44

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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.