Finding the Fourth Proportional to 72,833,884.93, 100,509,588.09 and 39,793,424.41
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Solution
The fourth proportional to 72,833,884.93, 100,509,588.09 and 39,793,424.41 is: 54,914,284.75
Step by Step Solution
- Step 1: Write the proportion equation
72,833,884.93 : 100,509,588.09 = 39,793,424.41 : x - Step 2: Convert to fraction form
72,833,884.93/100,509,588.09 = 39,793,424.41/x - Step 3: Cross multiply
72,833,884.93x = 100,509,588.09 × 39,793,424.41 - Step 4: Simplify right side
72,833,884.93x = 3,999,620,696,139,651 - Step 5: Solve for x
x = 3,999,620,696,139,651/72,833,884.93 - Step 6: Final answer
x = 54,914,284.75
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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.