Finding the Fourth Proportional to 68,676,824.70, 103,015,237.05 and 25,537,101.53
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Solution
The fourth proportional to 68,676,824.70, 103,015,237.05 and 25,537,101.53 is: 38,305,652.29
Step by Step Solution
- Step 1: Write the proportion equation
68,676,824.70 : 103,015,237.05 = 25,537,101.53 : x - Step 2: Convert to fraction form
68,676,824.70/103,015,237.05 = 25,537,101.53/x - Step 3: Cross multiply
68,676,824.70x = 103,015,237.05 × 25,537,101.53 - Step 4: Simplify right side
68,676,824.70x = 2,630,710,567,167,791.50 - Step 5: Solve for x
x = 2,630,710,567,167,791.50/68,676,824.70 - Step 6: Final answer
x = 38,305,652.29
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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.