Home / 140,553,166.16-193,952,779.08-85,542,942.80

Finding the Fourth Proportional to 140,553,166.16, 193,952,779.08 and 85,542,942.80

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Solution

The fourth proportional to 140,553,166.16, 193,952,779.08 and 85,542,942.80 is: 118,042,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,553,166.16 : 193,952,779.08 = 85,542,942.80 : x
  2. Step 2: Convert to fraction form
    140,553,166.16/193,952,779.08 = 85,542,942.80/x
  3. Step 3: Cross multiply
    140,553,166.16x = 193,952,779.08 × 85,542,942.80
  4. Step 4: Simplify right side
    140,553,166.16x = 16,591,291,486,741,478
  5. Step 5: Solve for x
    x = 16,591,291,486,741,478/140,553,166.16
  6. Step 6: Final answer
    x = 118,042,815.68

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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.