Home / 53,190,005.13-73,399,043.03-30,861,261.23

Finding the Fourth Proportional to 53,190,005.13, 73,399,043.03 and 30,861,261.23

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Solution

The fourth proportional to 53,190,005.13, 73,399,043.03 and 30,861,261.23 is: 42,586,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,190,005.13 : 73,399,043.03 = 30,861,261.23 : x
  2. Step 2: Convert to fraction form
    53,190,005.13/73,399,043.03 = 30,861,261.23/x
  3. Step 3: Cross multiply
    53,190,005.13x = 73,399,043.03 × 30,861,261.23
  4. Step 4: Simplify right side
    53,190,005.13x = 2,265,187,040,459,539.50
  5. Step 5: Solve for x
    x = 2,265,187,040,459,539.50/53,190,005.13
  6. Step 6: Final answer
    x = 42,586,704.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.