Home / 43,699,553.80-65,623,980.30-28,620,334.60

Finding the Fourth Proportional to 43,699,553.80, 65,623,980.30 and 28,620,334.60

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Solution

The fourth proportional to 43,699,553.80, 65,623,980.30 and 28,620,334.60 is: 42,979,392.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,699,553.80 : 65,623,980.30 = 28,620,334.60 : x
  2. Step 2: Convert to fraction form
    43,699,553.80/65,623,980.30 = 28,620,334.60/x
  3. Step 3: Cross multiply
    43,699,553.80x = 65,623,980.30 × 28,620,334.60
  4. Step 4: Simplify right side
    43,699,553.80x = 1,878,180,273,969,808.50
  5. Step 5: Solve for x
    x = 1,878,180,273,969,808.50/43,699,553.80
  6. Step 6: Final answer
    x = 42,979,392.48

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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.