Finding the Fourth Proportional to 75,029,415.96, 103,540,594.03 and 40,690,599.96
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Solution
The fourth proportional to 75,029,415.96, 103,540,594.03 and 40,690,599.96 is: 56,153,027.95
Step by Step Solution
- Step 1: Write the proportion equation
75,029,415.96 : 103,540,594.03 = 40,690,599.96 : x - Step 2: Convert to fraction form
75,029,415.96/103,540,594.03 = 40,690,599.96/x - Step 3: Cross multiply
75,029,415.96x = 103,540,594.03 × 40,690,599.96 - Step 4: Simplify right side
75,029,415.96x = 4,213,128,891,233,515 - Step 5: Solve for x
x = 4,213,128,891,233,515/75,029,415.96 - Step 6: Final answer
x = 56,153,027.95
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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.