Home / 140,092,057.40-209,571,215.70-123,085,945.40

Finding the Fourth Proportional to 140,092,057.40, 209,571,215.70 and 123,085,945.40

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Solution

The fourth proportional to 140,092,057.40, 209,571,215.70 and 123,085,945.40 is: 184,130,861.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,092,057.40 : 209,571,215.70 = 123,085,945.40 : x
  2. Step 2: Convert to fraction form
    140,092,057.40/209,571,215.70 = 123,085,945.40/x
  3. Step 3: Cross multiply
    140,092,057.40x = 209,571,215.70 × 123,085,945.40
  4. Step 4: Simplify right side
    140,092,057.40x = 25,795,271,213,061,824
  5. Step 5: Solve for x
    x = 25,795,271,213,061,824/140,092,057.40
  6. Step 6: Final answer
    x = 184,130,861.46

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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.