Home / 55,201,750.74-76,178,937.04-30,422,843.91

Finding the Fourth Proportional to 55,201,750.74, 76,178,937.04 and 30,422,843.91

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Solution

The fourth proportional to 55,201,750.74, 76,178,937.04 and 30,422,843.91 is: 41,983,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,201,750.74 : 76,178,937.04 = 30,422,843.91 : x
  2. Step 2: Convert to fraction form
    55,201,750.74/76,178,937.04 = 30,422,843.91/x
  3. Step 3: Cross multiply
    55,201,750.74x = 76,178,937.04 × 30,422,843.91
  4. Step 4: Simplify right side
    55,201,750.74x = 2,317,579,910,721,580
  5. Step 5: Solve for x
    x = 2,317,579,910,721,580/55,201,750.74
  6. Step 6: Final answer
    x = 41,983,811.74

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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.