Home / 140,505,253.22-193,899,545.99-76,924,532.25

Finding the Fourth Proportional to 140,505,253.22, 193,899,545.99 and 76,924,532.25

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Solution

The fourth proportional to 140,505,253.22, 193,899,545.99 and 76,924,532.25 is: 106,157,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,505,253.22 : 193,899,545.99 = 76,924,532.25 : x
  2. Step 2: Convert to fraction form
    140,505,253.22/193,899,545.99 = 76,924,532.25/x
  3. Step 3: Cross multiply
    140,505,253.22x = 193,899,545.99 × 76,924,532.25
  4. Step 4: Simplify right side
    140,505,253.22x = 14,915,631,878,768,114
  5. Step 5: Solve for x
    x = 14,915,631,878,768,114/140,505,253.22
  6. Step 6: Final answer
    x = 106,157,111.83

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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.