Home / 213,471,265.64-294,590,598.42-115,686,121.64

Finding the Fourth Proportional to 213,471,265.64, 294,590,598.42 and 115,686,121.64

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Solution

The fourth proportional to 213,471,265.64, 294,590,598.42 and 115,686,121.64 is: 159,646,984.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,471,265.64 : 294,590,598.42 = 115,686,121.64 : x
  2. Step 2: Convert to fraction form
    213,471,265.64/294,590,598.42 = 115,686,121.64/x
  3. Step 3: Cross multiply
    213,471,265.64x = 294,590,598.42 × 115,686,121.64
  4. Step 4: Simplify right side
    213,471,265.64x = 34,080,043,802,816,512
  5. Step 5: Solve for x
    x = 34,080,043,802,816,512/213,471,265.64
  6. Step 6: Final answer
    x = 159,646,984.34

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1.5x scale

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.