Home / 74,682,639.50-111,960,058.34-28,657,535.54

Finding the Fourth Proportional to 74,682,639.50, 111,960,058.34 and 28,657,535.54

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Solution

The fourth proportional to 74,682,639.50, 111,960,058.34 and 28,657,535.54 is: 42,961,782.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,682,639.50 : 111,960,058.34 = 28,657,535.54 : x
  2. Step 2: Convert to fraction form
    74,682,639.50/111,960,058.34 = 28,657,535.54/x
  3. Step 3: Cross multiply
    74,682,639.50x = 111,960,058.34 × 28,657,535.54
  4. Step 4: Simplify right side
    74,682,639.50x = 3,208,499,350,235,935.50
  5. Step 5: Solve for x
    x = 3,208,499,350,235,935.50/74,682,639.50
  6. Step 6: Final answer
    x = 42,961,782.98

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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.