Home / 51,585,442.93-71,187,908.85-28,380,071.66

Finding the Fourth Proportional to 51,585,442.93, 71,187,908.85 and 28,380,071.66

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Solution

The fourth proportional to 51,585,442.93, 71,187,908.85 and 28,380,071.66 is: 39,164,497.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,585,442.93 : 71,187,908.85 = 28,380,071.66 : x
  2. Step 2: Convert to fraction form
    51,585,442.93/71,187,908.85 = 28,380,071.66/x
  3. Step 3: Cross multiply
    51,585,442.93x = 71,187,908.85 × 28,380,071.66
  4. Step 4: Simplify right side
    51,585,442.93x = 2,020,317,954,346,647.75
  5. Step 5: Solve for x
    x = 2,020,317,954,346,647.75/51,585,442.93
  6. Step 6: Final answer
    x = 39,164,497.58

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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.