Home / 100,923,355.39-139,274,235.42-54,513,609.31

Finding the Fourth Proportional to 100,923,355.39, 139,274,235.42 and 54,513,609.31

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Solution

The fourth proportional to 100,923,355.39, 139,274,235.42 and 54,513,609.31 is: 75,228,783.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,923,355.39 : 139,274,235.42 = 54,513,609.31 : x
  2. Step 2: Convert to fraction form
    100,923,355.39/139,274,235.42 = 54,513,609.31/x
  3. Step 3: Cross multiply
    100,923,355.39x = 139,274,235.42 × 54,513,609.31
  4. Step 4: Simplify right side
    100,923,355.39x = 7,592,341,256,485,833
  5. Step 5: Solve for x
    x = 7,592,341,256,485,833/100,923,355.39
  6. Step 6: Final answer
    x = 75,228,783.54

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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.