Home / 74,083,480.40-111,137,030.40-30,930,471.20

Finding the Fourth Proportional to 74,083,480.40, 111,137,030.40 and 30,930,471.20

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Solution

The fourth proportional to 74,083,480.40, 111,137,030.40 and 30,930,471.20 is: 46,400,637.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,083,480.40 : 111,137,030.40 = 30,930,471.20 : x
  2. Step 2: Convert to fraction form
    74,083,480.40/111,137,030.40 = 30,930,471.20/x
  3. Step 3: Cross multiply
    74,083,480.40x = 111,137,030.40 × 30,930,471.20
  4. Step 4: Simplify right side
    74,083,480.40x = 3,437,520,718,040,724.50
  5. Step 5: Solve for x
    x = 3,437,520,718,040,724.50/74,083,480.40
  6. Step 6: Final answer
    x = 46,400,637.49

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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.