Finding the Fourth Proportional to 68,553,542.05, 94,603,877.76 and 39,185,505.19
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Solution
The fourth proportional to 68,553,542.05, 94,603,877.76 and 39,185,505.19 is: 54,075,991.29
Step by Step Solution
- Step 1: Write the proportion equation
68,553,542.05 : 94,603,877.76 = 39,185,505.19 : x - Step 2: Convert to fraction form
68,553,542.05/94,603,877.76 = 39,185,505.19/x - Step 3: Cross multiply
68,553,542.05x = 94,603,877.76 × 39,185,505.19 - Step 4: Simplify right side
68,553,542.05x = 3,707,100,742,958,605.50 - Step 5: Solve for x
x = 3,707,100,742,958,605.50/68,553,542.05 - Step 6: Final answer
x = 54,075,991.29
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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.