Home / 53,381,514.76-73,664,516.10-28,934,703.88

Finding the Fourth Proportional to 53,381,514.76, 73,664,516.10 and 28,934,703.88

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Solution

The fourth proportional to 53,381,514.76, 73,664,516.10 and 28,934,703.88 is: 39,928,821.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,381,514.76 : 73,664,516.10 = 28,934,703.88 : x
  2. Step 2: Convert to fraction form
    53,381,514.76/73,664,516.10 = 28,934,703.88/x
  3. Step 3: Cross multiply
    53,381,514.76x = 73,664,516.10 × 28,934,703.88
  4. Step 4: Simplify right side
    53,381,514.76x = 2,131,460,959,816,992.25
  5. Step 5: Solve for x
    x = 2,131,460,959,816,992.25/53,381,514.76
  6. Step 6: Final answer
    x = 39,928,821.23

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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.