Finding the Fourth Proportional to 71,283,611.20, 106,925,416.80 and 71,283,611.20
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Solution
The fourth proportional to 71,283,611.20, 106,925,416.80 and 71,283,611.20 is: 106,925,416.80
Step by Step Solution
- Step 1: Write the proportion equation
71,283,611.20 : 106,925,416.80 = 71,283,611.20 : x - Step 2: Convert to fraction form
71,283,611.20/106,925,416.80 = 71,283,611.20/x - Step 3: Cross multiply
71,283,611.20x = 106,925,416.80 × 71,283,611.20 - Step 4: Simplify right side
71,283,611.20x = 7,622,029,838,569,148 - Step 5: Solve for x
x = 7,622,029,838,569,148/71,283,611.20 - Step 6: Final answer
x = 106,925,416.80
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1.5x scale
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.