Home / 39,968,749.75-59,862,322.92-31,278,692.95

Finding the Fourth Proportional to 39,968,749.75, 59,862,322.92 and 31,278,692.95

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Solution

The fourth proportional to 39,968,749.75, 59,862,322.92 and 31,278,692.95 is: 46,846,979.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,968,749.75 : 59,862,322.92 = 31,278,692.95 : x
  2. Step 2: Convert to fraction form
    39,968,749.75/59,862,322.92 = 31,278,692.95/x
  3. Step 3: Cross multiply
    39,968,749.75x = 59,862,322.92 × 31,278,692.95
  4. Step 4: Simplify right side
    39,968,749.75x = 1,872,415,217,888,427.50
  5. Step 5: Solve for x
    x = 1,872,415,217,888,427.50/39,968,749.75
  6. Step 6: Final answer
    x = 46,846,979.94

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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.