Home / 217,206,464.80-325,817,570.40-63,868,021.60

Finding the Fourth Proportional to 217,206,464.80, 325,817,570.40 and 63,868,021.60

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Solution

The fourth proportional to 217,206,464.80, 325,817,570.40 and 63,868,021.60 is: 95,804,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,206,464.80 : 325,817,570.40 = 63,868,021.60 : x
  2. Step 2: Convert to fraction form
    217,206,464.80/325,817,570.40 = 63,868,021.60/x
  3. Step 3: Cross multiply
    217,206,464.80x = 325,817,570.40 × 63,868,021.60
  4. Step 4: Simplify right side
    217,206,464.80x = 20,809,323,623,966,720
  5. Step 5: Solve for x
    x = 20,809,323,623,966,720/217,206,464.80
  6. Step 6: Final answer
    x = 95,804,347.46

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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.