Finding the Fourth Proportional to 75,781,774.84, 104,554,976.70 and 46,382,458.72
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Solution
The fourth proportional to 75,781,774.84, 104,554,976.70 and 46,382,458.72 is: 63,993,181.75
Step by Step Solution
- Step 1: Write the proportion equation
75,781,774.84 : 104,554,976.70 = 46,382,458.72 : x - Step 2: Convert to fraction form
75,781,774.84/104,554,976.70 = 46,382,458.72/x - Step 3: Cross multiply
75,781,774.84x = 104,554,976.70 × 46,382,458.72 - Step 4: Simplify right side
75,781,774.84x = 4,849,516,890,758,312 - Step 5: Solve for x
x = 4,849,516,890,758,312/75,781,774.84 - Step 6: Final answer
x = 63,993,181.75
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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.