Home / 44,289,893.20-66,434,839.80-20,402,021.20

Finding the Fourth Proportional to 44,289,893.20, 66,434,839.80 and 20,402,021.20

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Solution

The fourth proportional to 44,289,893.20, 66,434,839.80 and 20,402,021.20 is: 30,603,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,289,893.20 : 66,434,839.80 = 20,402,021.20 : x
  2. Step 2: Convert to fraction form
    44,289,893.20/66,434,839.80 = 20,402,021.20/x
  3. Step 3: Cross multiply
    44,289,893.20x = 66,434,839.80 × 20,402,021.20
  4. Step 4: Simplify right side
    44,289,893.20x = 1,355,405,010,018,203.75
  5. Step 5: Solve for x
    x = 1,355,405,010,018,203.75/44,289,893.20
  6. Step 6: Final answer
    x = 30,603,031.80

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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.