Home / 55,403,756.64-76,455,849.51-30,284,749.44

Finding the Fourth Proportional to 55,403,756.64, 76,455,849.51 and 30,284,749.44

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Solution

The fourth proportional to 55,403,756.64, 76,455,849.51 and 30,284,749.44 is: 41,792,224.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,403,756.64 : 76,455,849.51 = 30,284,749.44 : x
  2. Step 2: Convert to fraction form
    55,403,756.64/76,455,849.51 = 30,284,749.44/x
  3. Step 3: Cross multiply
    55,403,756.64x = 76,455,849.51 × 30,284,749.44
  4. Step 4: Simplify right side
    55,403,756.64x = 2,315,446,245,632,697
  5. Step 5: Solve for x
    x = 2,315,446,245,632,697/55,403,756.64
  6. Step 6: Final answer
    x = 41,792,224.68

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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.