Home / 140,553,158.16-193,952,768.04-85,542,934.80

Finding the Fourth Proportional to 140,553,158.16, 193,952,768.04 and 85,542,934.80

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Solution

The fourth proportional to 140,553,158.16, 193,952,768.04 and 85,542,934.80 is: 118,042,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,553,158.16 : 193,952,768.04 = 85,542,934.80 : x
  2. Step 2: Convert to fraction form
    140,553,158.16/193,952,768.04 = 85,542,934.80/x
  3. Step 3: Cross multiply
    140,553,158.16x = 193,952,768.04 × 85,542,934.80
  4. Step 4: Simplify right side
    140,553,158.16x = 16,591,288,990,725,242
  5. Step 5: Solve for x
    x = 16,591,288,990,725,242/140,553,158.16
  6. Step 6: Final answer
    x = 118,042,804.64

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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.