Home / 57,050,938.56-78,729,829.56-30,945,390.24

Finding the Fourth Proportional to 57,050,938.56, 78,729,829.56 and 30,945,390.24

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Solution

The fourth proportional to 57,050,938.56, 78,729,829.56 and 30,945,390.24 is: 42,704,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,050,938.56 : 78,729,829.56 = 30,945,390.24 : x
  2. Step 2: Convert to fraction form
    57,050,938.56/78,729,829.56 = 30,945,390.24/x
  3. Step 3: Cross multiply
    57,050,938.56x = 78,729,829.56 × 30,945,390.24
  4. Step 4: Simplify right side
    57,050,938.56x = 2,436,325,299,262,887.50
  5. Step 5: Solve for x
    x = 2,436,325,299,262,887.50/57,050,938.56
  6. Step 6: Final answer
    x = 42,704,385.95

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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.