Finding the Fourth Proportional to 79,915,611.40, 110,283,543.90 and 43,246,182.40
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Solution
The fourth proportional to 79,915,611.40, 110,283,543.90 and 43,246,182.40 is: 59,679,731.80
Step by Step Solution
- Step 1: Write the proportion equation
79,915,611.40 : 110,283,543.90 = 43,246,182.40 : x - Step 2: Convert to fraction form
79,915,611.40/110,283,543.90 = 43,246,182.40/x - Step 3: Cross multiply
79,915,611.40x = 110,283,543.90 × 43,246,182.40 - Step 4: Simplify right side
79,915,611.40x = 4,769,342,255,217,807 - Step 5: Solve for x
x = 4,769,342,255,217,807/79,915,611.40 - Step 6: Final answer
x = 59,679,731.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.