Home / 55,354,583.80-76,388,869.26-30,236,713.72

Finding the Fourth Proportional to 55,354,583.80, 76,388,869.26 and 30,236,713.72

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Solution

The fourth proportional to 55,354,583.80, 76,388,869.26 and 30,236,713.72 is: 41,726,415.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,354,583.80 : 76,388,869.26 = 30,236,713.72 : x
  2. Step 2: Convert to fraction form
    55,354,583.80/76,388,869.26 = 30,236,713.72/x
  3. Step 3: Cross multiply
    55,354,583.80x = 76,388,869.26 × 30,236,713.72
  4. Step 4: Simplify right side
    55,354,583.80x = 2,309,748,371,209,128.50
  5. Step 5: Solve for x
    x = 2,309,748,371,209,128.50/55,354,583.80
  6. Step 6: Final answer
    x = 41,726,415.64

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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.