Home / 53,245,315.37-79,876,802.33-18,692,749.01

Finding the Fourth Proportional to 53,245,315.37, 79,876,802.33 and 18,692,749.01

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Solution

The fourth proportional to 53,245,315.37, 79,876,802.33 and 18,692,749.01 is: 28,042,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,245,315.37 : 79,876,802.33 = 18,692,749.01 : x
  2. Step 2: Convert to fraction form
    53,245,315.37/79,876,802.33 = 18,692,749.01/x
  3. Step 3: Cross multiply
    53,245,315.37x = 79,876,802.33 × 18,692,749.01
  4. Step 4: Simplify right side
    53,245,315.37x = 1,493,117,017,676,073.25
  5. Step 5: Solve for x
    x = 1,493,117,017,676,073.25/53,245,315.37
  6. Step 6: Final answer
    x = 28,042,223.19

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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.