Home / 192,300,838.97-265,466,656.97-128,830,466.60

Finding the Fourth Proportional to 192,300,838.97, 265,466,656.97 and 128,830,466.60

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Solution

The fourth proportional to 192,300,838.97, 265,466,656.97 and 128,830,466.60 is: 177,847,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,300,838.97 : 265,466,656.97 = 128,830,466.60 : x
  2. Step 2: Convert to fraction form
    192,300,838.97/265,466,656.97 = 128,830,466.60/x
  3. Step 3: Cross multiply
    192,300,838.97x = 265,466,656.97 × 128,830,466.60
  4. Step 4: Simplify right side
    192,300,838.97x = 34,200,193,285,188,948
  5. Step 5: Solve for x
    x = 34,200,193,285,188,948/192,300,838.97
  6. Step 6: Final answer
    x = 177,847,343.10

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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.