Home / 213,471,243.52-294,590,568.06-115,686,099.52

Finding the Fourth Proportional to 213,471,243.52, 294,590,568.06 and 115,686,099.52

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Solution

The fourth proportional to 213,471,243.52, 294,590,568.06 and 115,686,099.52 is: 159,646,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,471,243.52 : 294,590,568.06 = 115,686,099.52 : x
  2. Step 2: Convert to fraction form
    213,471,243.52/294,590,568.06 = 115,686,099.52/x
  3. Step 3: Cross multiply
    213,471,243.52x = 294,590,568.06 × 115,686,099.52
  4. Step 4: Simplify right side
    213,471,243.52x = 34,080,033,774,242,492
  5. Step 5: Solve for x
    x = 34,080,033,774,242,492/213,471,243.52
  6. Step 6: Final answer
    x = 159,646,953.90

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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.