Home / 213,471,238.56-294,590,561.12-115,686,094.56

Finding the Fourth Proportional to 213,471,238.56, 294,590,561.12 and 115,686,094.56

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Solution

The fourth proportional to 213,471,238.56, 294,590,561.12 and 115,686,094.56 is: 159,646,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,471,238.56 : 294,590,561.12 = 115,686,094.56 : x
  2. Step 2: Convert to fraction form
    213,471,238.56/294,590,561.12 = 115,686,094.56/x
  3. Step 3: Cross multiply
    213,471,238.56x = 294,590,561.12 × 115,686,094.56
  4. Step 4: Simplify right side
    213,471,238.56x = 34,080,031,510,211,780
  5. Step 5: Solve for x
    x = 34,080,031,510,211,780/213,471,238.56
  6. Step 6: Final answer
    x = 159,646,947.01

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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.