Finding the Fourth Proportional to 239,749,501.26, 330,854,300.91 and 129,741,217.26
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Solution
The fourth proportional to 239,749,501.26, 330,854,300.91 and 129,741,217.26 is: 179,042,873.96
Step by Step Solution
- Step 1: Write the proportion equation
239,749,501.26 : 330,854,300.91 = 129,741,217.26 : x - Step 2: Convert to fraction form
239,749,501.26/330,854,300.91 = 129,741,217.26/x - Step 3: Cross multiply
239,749,501.26x = 330,854,300.91 × 129,741,217.26 - Step 4: Simplify right side
239,749,501.26x = 42,925,439,735,769,728 - Step 5: Solve for x
x = 42,925,439,735,769,728/239,749,501.26 - Step 6: Final answer
x = 179,042,873.96
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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.