Home / 55,284,207.80-76,291,686.06-30,504,618.68

Finding the Fourth Proportional to 55,284,207.80, 76,291,686.06 and 30,504,618.68

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Solution

The fourth proportional to 55,284,207.80, 76,291,686.06 and 30,504,618.68 is: 42,096,086.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,284,207.80 : 76,291,686.06 = 30,504,618.68 : x
  2. Step 2: Convert to fraction form
    55,284,207.80/76,291,686.06 = 30,504,618.68/x
  3. Step 3: Cross multiply
    55,284,207.80x = 76,291,686.06 × 30,504,618.68
  4. Step 4: Simplify right side
    55,284,207.80x = 2,327,248,791,714,571.50
  5. Step 5: Solve for x
    x = 2,327,248,791,714,571.50/55,284,207.80
  6. Step 6: Final answer
    x = 42,096,086.47

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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.