Home / 74,663,048.40-111,994,572.60-20,810,360.40

Finding the Fourth Proportional to 74,663,048.40, 111,994,572.60 and 20,810,360.40

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Solution

The fourth proportional to 74,663,048.40, 111,994,572.60 and 20,810,360.40 is: 31,215,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,663,048.40 : 111,994,572.60 = 20,810,360.40 : x
  2. Step 2: Convert to fraction form
    74,663,048.40/111,994,572.60 = 20,810,360.40/x
  3. Step 3: Cross multiply
    74,663,048.40x = 111,994,572.60 × 20,810,360.40
  4. Step 4: Simplify right side
    74,663,048.40x = 2,330,647,418,649,964.50
  5. Step 5: Solve for x
    x = 2,330,647,418,649,964.50/74,663,048.40
  6. Step 6: Final answer
    x = 31,215,540.60

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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.