Finding the Fourth Proportional to 130,616,139.96, 195,952,553.46 and 39,737,367
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Solution
The fourth proportional to 130,616,139.96, 195,952,553.46 and 39,737,367 is: 59,614,673.45
Step by Step Solution
- Step 1: Write the proportion equation
130,616,139.96 : 195,952,553.46 = 39,737,367 : x - Step 2: Convert to fraction form
130,616,139.96/195,952,553.46 = 39,737,367/x - Step 3: Cross multiply
130,616,139.96x = 195,952,553.46 × 39,737,367 - Step 4: Simplify right side
130,616,139.96x = 7,786,638,531,427,140 - Step 5: Solve for x
x = 7,786,638,531,427,140/130,616,139.96 - Step 6: Final answer
x = 59,614,673.45
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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.