Finding the Fourth Proportional to 108,832,396.80, 163,425,542.40 and 78,751,372.80
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Solution
The fourth proportional to 108,832,396.80, 163,425,542.40 and 78,751,372.80 is: 118,255,098.60
Step by Step Solution
- Step 1: Write the proportion equation
108,832,396.80 : 163,425,542.40 = 78,751,372.80 : x - Step 2: Convert to fraction form
108,832,396.80/163,425,542.40 = 78,751,372.80/x - Step 3: Cross multiply
108,832,396.80x = 163,425,542.40 × 78,751,372.80 - Step 4: Simplify right side
108,832,396.80x = 12,869,985,814,584,606 - Step 5: Solve for x
x = 12,869,985,814,584,606/108,832,396.80 - Step 6: Final answer
x = 118,255,098.60
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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.