Home / 215,047,453.82-322,573,047.52-69,481,030.75

Finding the Fourth Proportional to 215,047,453.82, 322,573,047.52 and 69,481,030.75

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Solution

The fourth proportional to 215,047,453.82, 322,573,047.52 and 69,481,030.75 is: 104,222,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,047,453.82 : 322,573,047.52 = 69,481,030.75 : x
  2. Step 2: Convert to fraction form
    215,047,453.82/322,573,047.52 = 69,481,030.75/x
  3. Step 3: Cross multiply
    215,047,453.82x = 322,573,047.52 × 69,481,030.75
  4. Step 4: Simplify right side
    215,047,453.82x = 22,412,707,832,878,196
  5. Step 5: Solve for x
    x = 22,412,707,832,878,196/215,047,453.82
  6. Step 6: Final answer
    x = 104,222,149.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.