Home / 213,471,264.64-294,590,597.04-115,686,120.64

Finding the Fourth Proportional to 213,471,264.64, 294,590,597.04 and 115,686,120.64

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Solution

The fourth proportional to 213,471,264.64, 294,590,597.04 and 115,686,120.64 is: 159,646,982.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,471,264.64 : 294,590,597.04 = 115,686,120.64 : x
  2. Step 2: Convert to fraction form
    213,471,264.64/294,590,597.04 = 115,686,120.64/x
  3. Step 3: Cross multiply
    213,471,264.64x = 294,590,597.04 × 115,686,120.64
  4. Step 4: Simplify right side
    213,471,264.64x = 34,080,043,348,579,068
  5. Step 5: Solve for x
    x = 34,080,043,348,579,068/213,471,264.64
  6. Step 6: Final answer
    x = 159,646,982.96

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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.