Home / 57,971,361.80-80,000,645.36-33,191,928.72

Finding the Fourth Proportional to 57,971,361.80, 80,000,645.36 and 33,191,928.72

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Solution

The fourth proportional to 57,971,361.80, 80,000,645.36 and 33,191,928.72 is: 45,804,956.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,971,361.80 : 80,000,645.36 = 33,191,928.72 : x
  2. Step 2: Convert to fraction form
    57,971,361.80/80,000,645.36 = 33,191,928.72/x
  3. Step 3: Cross multiply
    57,971,361.80x = 80,000,645.36 × 33,191,928.72
  4. Step 4: Simplify right side
    57,971,361.80x = 2,655,375,718,177,159
  5. Step 5: Solve for x
    x = 2,655,375,718,177,159/57,971,361.80
  6. Step 6: Final answer
    x = 45,804,956.72

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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.