Home / 53,106,309.86-79,673,640.19-19,031,100.26

Finding the Fourth Proportional to 53,106,309.86, 79,673,640.19 and 19,031,100.26

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Solution

The fourth proportional to 53,106,309.86, 79,673,640.19 and 19,031,100.26 is: 28,551,730.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,106,309.86 : 79,673,640.19 = 19,031,100.26 : x
  2. Step 2: Convert to fraction form
    53,106,309.86/79,673,640.19 = 19,031,100.26/x
  3. Step 3: Cross multiply
    53,106,309.86x = 79,673,640.19 × 19,031,100.26
  4. Step 4: Simplify right side
    53,106,309.86x = 1,516,277,034,089,109.50
  5. Step 5: Solve for x
    x = 1,516,277,034,089,109.50/53,106,309.86
  6. Step 6: Final answer
    x = 28,551,730.26

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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.