Finding the Fourth Proportional to 78,664,454.80, 108,557,402.58 and 43,859,312.08
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Solution
The fourth proportional to 78,664,454.80, 108,557,402.58 and 43,859,312.08 is: 60,526,104.33
Step by Step Solution
- Step 1: Write the proportion equation
78,664,454.80 : 108,557,402.58 = 43,859,312.08 : x - Step 2: Convert to fraction form
78,664,454.80/108,557,402.58 = 43,859,312.08/x - Step 3: Cross multiply
78,664,454.80x = 108,557,402.58 × 43,859,312.08 - Step 4: Simplify right side
78,664,454.80x = 4,761,252,998,350,417 - Step 5: Solve for x
x = 4,761,252,998,350,417/78,664,454.80 - Step 6: Final answer
x = 60,526,104.33
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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.