Finding the Fourth Proportional to 268,737,207.47, 370,833,703.36 and 149,650,801.03
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Solution
The fourth proportional to 268,737,207.47, 370,833,703.36 and 149,650,801.03 is: 206,504,939.45
Step by Step Solution
- Step 1: Write the proportion equation
268,737,207.47 : 370,833,703.36 = 149,650,801.03 : x - Step 2: Convert to fraction form
268,737,207.47/370,833,703.36 = 149,650,801.03/x - Step 3: Cross multiply
268,737,207.47x = 370,833,703.36 × 149,650,801.03 - Step 4: Simplify right side
268,737,207.47x = 55,495,560,756,745,408 - Step 5: Solve for x
x = 55,495,560,756,745,408/268,737,207.47 - Step 6: Final answer
x = 206,504,939.45
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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.