Home / 51,585,479.96-71,187,959.62-28,380,108.68

Finding the Fourth Proportional to 51,585,479.96, 71,187,959.62 and 28,380,108.68

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Solution

The fourth proportional to 51,585,479.96, 71,187,959.62 and 28,380,108.68 is: 39,164,548.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,585,479.96 : 71,187,959.62 = 28,380,108.68 : x
  2. Step 2: Convert to fraction form
    51,585,479.96/71,187,959.62 = 28,380,108.68/x
  3. Step 3: Cross multiply
    51,585,479.96x = 71,187,959.62 × 28,380,108.68
  4. Step 4: Simplify right side
    51,585,479.96x = 2,020,322,030,723,051.50
  5. Step 5: Solve for x
    x = 2,020,322,030,723,051.50/51,585,479.96
  6. Step 6: Final answer
    x = 39,164,548.48

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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.