Finding the Fourth Proportional to 210,329,999.10, 315,494,998.65 and 119,630,735.10
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Solution
The fourth proportional to 210,329,999.10, 315,494,998.65 and 119,630,735.10 is: 179,446,102.65
Step by Step Solution
- Step 1: Write the proportion equation
210,329,999.10 : 315,494,998.65 = 119,630,735.10 : x - Step 2: Convert to fraction form
210,329,999.10/315,494,998.65 = 119,630,735.10/x - Step 3: Cross multiply
210,329,999.10x = 315,494,998.65 × 119,630,735.10 - Step 4: Simplify right side
210,329,999.10x = 37,742,898,608,873,000 - Step 5: Solve for x
x = 37,742,898,608,873,000/210,329,999.10 - Step 6: Final answer
x = 179,446,102.65
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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.