Home / 42,235,221.69-63,362,163.74-15,308,177.85

Finding the Fourth Proportional to 42,235,221.69, 63,362,163.74 and 15,308,177.85

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Solution

The fourth proportional to 42,235,221.69, 63,362,163.74 and 15,308,177.85 is: 22,965,648.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,235,221.69 : 63,362,163.74 = 15,308,177.85 : x
  2. Step 2: Convert to fraction form
    42,235,221.69/63,362,163.74 = 15,308,177.85/x
  3. Step 3: Cross multiply
    42,235,221.69x = 63,362,163.74 × 15,308,177.85
  4. Step 4: Simplify right side
    42,235,221.69x = 969,959,271,416,200.25
  5. Step 5: Solve for x
    x = 969,959,271,416,200.25/42,235,221.69
  6. Step 6: Final answer
    x = 22,965,648.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.