Home / 55,715,900.42-76,888,090.80-30,936,133.37

Finding the Fourth Proportional to 55,715,900.42, 76,888,090.80 and 30,936,133.37

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Solution

The fourth proportional to 55,715,900.42, 76,888,090.80 and 30,936,133.37 is: 42,691,946.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,715,900.42 : 76,888,090.80 = 30,936,133.37 : x
  2. Step 2: Convert to fraction form
    55,715,900.42/76,888,090.80 = 30,936,133.37/x
  3. Step 3: Cross multiply
    55,715,900.42x = 76,888,090.80 × 30,936,133.37
  4. Step 4: Simplify right side
    55,715,900.42x = 2,378,620,231,745,690
  5. Step 5: Solve for x
    x = 2,378,620,231,745,690/55,715,900.42
  6. Step 6: Final answer
    x = 42,691,946.35

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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.