Home / 342,628,799.76-513,963,135.36-96,964,883.28

Finding the Fourth Proportional to 342,628,799.76, 513,963,135.36 and 96,964,883.28

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Solution

The fourth proportional to 342,628,799.76, 513,963,135.36 and 96,964,883.28 is: 145,452,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,628,799.76 : 513,963,135.36 = 96,964,883.28 : x
  2. Step 2: Convert to fraction form
    342,628,799.76/513,963,135.36 = 96,964,883.28/x
  3. Step 3: Cross multiply
    342,628,799.76x = 513,963,135.36 × 96,964,883.28
  4. Step 4: Simplify right side
    342,628,799.76x = 49,836,375,430,405,240
  5. Step 5: Solve for x
    x = 49,836,375,430,405,240/342,628,799.76
  6. Step 6: Final answer
    x = 145,452,966.78

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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.