Home / 78,804,543.55-118,206,815.33-48,571,455.55

Finding the Fourth Proportional to 78,804,543.55, 118,206,815.33 and 48,571,455.55

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Solution

The fourth proportional to 78,804,543.55, 118,206,815.33 and 48,571,455.55 is: 72,857,183.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,804,543.55 : 118,206,815.33 = 48,571,455.55 : x
  2. Step 2: Convert to fraction form
    78,804,543.55/118,206,815.33 = 48,571,455.55/x
  3. Step 3: Cross multiply
    78,804,543.55x = 118,206,815.33 × 48,571,455.55
  4. Step 4: Simplify right side
    78,804,543.55x = 5,741,477,076,508,153
  5. Step 5: Solve for x
    x = 5,741,477,076,508,153/78,804,543.55
  6. Step 6: Final answer
    x = 72,857,183.33

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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.