Finding the Fourth Proportional to 75,781,773.84, 104,554,975.32 and 46,382,457.72
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Solution
The fourth proportional to 75,781,773.84, 104,554,975.32 and 46,382,457.72 is: 63,993,180.37
Step by Step Solution
- Step 1: Write the proportion equation
75,781,773.84 : 104,554,975.32 = 46,382,457.72 : x - Step 2: Convert to fraction form
75,781,773.84/104,554,975.32 = 46,382,457.72/x - Step 3: Cross multiply
75,781,773.84x = 104,554,975.32 × 46,382,457.72 - Step 4: Simplify right side
75,781,773.84x = 4,849,516,722,195,543 - Step 5: Solve for x
x = 4,849,516,722,195,543/75,781,773.84 - Step 6: Final answer
x = 63,993,180.37
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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.