Finding the Fourth Proportional to 68,243,670.70, 102,365,506.05 and 51,237,558.70
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Solution
The fourth proportional to 68,243,670.70, 102,365,506.05 and 51,237,558.70 is: 76,856,338.05
Step by Step Solution
- Step 1: Write the proportion equation
68,243,670.70 : 102,365,506.05 = 51,237,558.70 : x - Step 2: Convert to fraction form
68,243,670.70/102,365,506.05 = 51,237,558.70/x - Step 3: Cross multiply
68,243,670.70x = 102,365,506.05 × 51,237,558.70 - Step 4: Simplify right side
68,243,670.70x = 5,244,958,625,092,080 - Step 5: Solve for x
x = 5,244,958,625,092,080/68,243,670.70 - Step 6: Final answer
x = 76,856,338.05
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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.