Finding the Fourth Proportional to 68,553,532.81, 94,603,865.00 and 39,185,495.93
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Solution
The fourth proportional to 68,553,532.81, 94,603,865.00 and 39,185,495.93 is: 54,075,978.51
Step by Step Solution
- Step 1: Write the proportion equation
68,553,532.81 : 94,603,865.00 = 39,185,495.93 : x - Step 2: Convert to fraction form
68,553,532.81/94,603,865.00 = 39,185,495.93/x - Step 3: Cross multiply
68,553,532.81x = 94,603,865.00 × 39,185,495.93 - Step 4: Simplify right side
68,553,532.81x = 3,707,099,367,149,597.50 - Step 5: Solve for x
x = 3,707,099,367,149,597.50/68,553,532.81 - Step 6: Final answer
x = 54,075,978.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.