Home / 55,215,382.88-76,200,637.44-30,435,513.83

Finding the Fourth Proportional to 55,215,382.88, 76,200,637.44 and 30,435,513.83

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Solution

The fourth proportional to 55,215,382.88, 76,200,637.44 and 30,435,513.83 is: 42,002,888.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,215,382.88 : 76,200,637.44 = 30,435,513.83 : x
  2. Step 2: Convert to fraction form
    55,215,382.88/76,200,637.44 = 30,435,513.83/x
  3. Step 3: Cross multiply
    55,215,382.88x = 76,200,637.44 × 30,435,513.83
  4. Step 4: Simplify right side
    55,215,382.88x = 2,319,205,554,698,260
  5. Step 5: Solve for x
    x = 2,319,205,554,698,260/55,215,382.88
  6. Step 6: Final answer
    x = 42,002,888.22

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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.