Home / 161,783,999.70-242,675,999.55-71,084,735.70

Finding the Fourth Proportional to 161,783,999.70, 242,675,999.55 and 71,084,735.70

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Solution

The fourth proportional to 161,783,999.70, 242,675,999.55 and 71,084,735.70 is: 106,627,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,783,999.70 : 242,675,999.55 = 71,084,735.70 : x
  2. Step 2: Convert to fraction form
    161,783,999.70/242,675,999.55 = 71,084,735.70/x
  3. Step 3: Cross multiply
    161,783,999.70x = 242,675,999.55 × 71,084,735.70
  4. Step 4: Simplify right side
    161,783,999.70x = 17,250,559,288,745,070
  5. Step 5: Solve for x
    x = 17,250,559,288,745,070/161,783,999.70
  6. Step 6: Final answer
    x = 106,627,103.55

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1.5x scale

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.