Home / 128,983,333.36-178,009,570.20-96,331,598.32

Finding the Fourth Proportional to 128,983,333.36, 178,009,570.20 and 96,331,598.32

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Solution

The fourth proportional to 128,983,333.36, 178,009,570.20 and 96,331,598.32 is: 132,946,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,983,333.36 : 178,009,570.20 = 96,331,598.32 : x
  2. Step 2: Convert to fraction form
    128,983,333.36/178,009,570.20 = 96,331,598.32/x
  3. Step 3: Cross multiply
    128,983,333.36x = 178,009,570.20 × 96,331,598.32
  4. Step 4: Simplify right side
    128,983,333.36x = 17,147,946,413,622,240
  5. Step 5: Solve for x
    x = 17,147,946,413,622,240/128,983,333.36
  6. Step 6: Final answer
    x = 132,946,993.75

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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.