Finding the Fourth Proportional to 75,029,409.41, 103,540,584.98 and 40,690,593.41
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Solution
The fourth proportional to 75,029,409.41, 103,540,584.98 and 40,690,593.41 is: 56,153,018.90
Step by Step Solution
- Step 1: Write the proportion equation
75,029,409.41 : 103,540,584.98 = 40,690,593.41 : x - Step 2: Convert to fraction form
75,029,409.41/103,540,584.98 = 40,690,593.41/x - Step 3: Cross multiply
75,029,409.41x = 103,540,584.98 × 40,690,593.41 - Step 4: Simplify right side
75,029,409.41x = 4,213,127,844,697,608 - Step 5: Solve for x
x = 4,213,127,844,697,608/75,029,409.41 - Step 6: Final answer
x = 56,153,018.90
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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.