Finding the Fourth Proportional to 68,284,927.80, 102,427,391.70 and 61,110,474.30
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Solution
The fourth proportional to 68,284,927.80, 102,427,391.70 and 61,110,474.30 is: 91,665,711.45
Step by Step Solution
- Step 1: Write the proportion equation
68,284,927.80 : 102,427,391.70 = 61,110,474.30 : x - Step 2: Convert to fraction form
68,284,927.80/102,427,391.70 = 61,110,474.30/x - Step 3: Cross multiply
68,284,927.80x = 102,427,391.70 × 61,110,474.30 - Step 4: Simplify right side
68,284,927.80x = 6,259,386,488,098,883 - Step 5: Solve for x
x = 6,259,386,488,098,883/68,284,927.80 - Step 6: Final answer
x = 91,665,711.45
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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.