Finding the Fourth Proportional to 72,611,231.80, 108,916,847.70 and 26,553,011.80
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Solution
The fourth proportional to 72,611,231.80, 108,916,847.70 and 26,553,011.80 is: 39,829,517.70
Step by Step Solution
- Step 1: Write the proportion equation
72,611,231.80 : 108,916,847.70 = 26,553,011.80 : x - Step 2: Convert to fraction form
72,611,231.80/108,916,847.70 = 26,553,011.80/x - Step 3: Cross multiply
72,611,231.80x = 108,916,847.70 × 26,553,011.80 - Step 4: Simplify right side
72,611,231.80x = 2,892,070,342,196,903 - Step 5: Solve for x
x = 2,892,070,342,196,903/72,611,231.80 - Step 6: Final answer
x = 39,829,517.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.