Home / 40,710,147.20-61,065,220.80-18,035,331.20

Finding the Fourth Proportional to 40,710,147.20, 61,065,220.80 and 18,035,331.20

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Solution

The fourth proportional to 40,710,147.20, 61,065,220.80 and 18,035,331.20 is: 27,052,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,710,147.20 : 61,065,220.80 = 18,035,331.20 : x
  2. Step 2: Convert to fraction form
    40,710,147.20/61,065,220.80 = 18,035,331.20/x
  3. Step 3: Cross multiply
    40,710,147.20x = 61,065,220.80 × 18,035,331.20
  4. Step 4: Simplify right side
    40,710,147.20x = 1,101,331,481,929,128.88
  5. Step 5: Solve for x
    x = 1,101,331,481,929,128.88/40,710,147.20
  6. Step 6: Final answer
    x = 27,052,996.80

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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.