Home / 51,990,804.45-71,749,551.74-28,785,930.93

Finding the Fourth Proportional to 51,990,804.45, 71,749,551.74 and 28,785,930.93

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Solution

The fourth proportional to 51,990,804.45, 71,749,551.74 and 28,785,930.93 is: 39,725,825.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,990,804.45 : 71,749,551.74 = 28,785,930.93 : x
  2. Step 2: Convert to fraction form
    51,990,804.45/71,749,551.74 = 28,785,930.93/x
  3. Step 3: Cross multiply
    51,990,804.45x = 71,749,551.74 × 28,785,930.93
  4. Step 4: Simplify right side
    51,990,804.45x = 2,065,377,640,502,171.75
  5. Step 5: Solve for x
    x = 2,065,377,640,502,171.75/51,990,804.45
  6. Step 6: Final answer
    x = 39,725,825.79

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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.