Finding the Fourth Proportional to 76,487,039.28, 105,551,529.84 and 41,679,622.08
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Solution
The fourth proportional to 76,487,039.28, 105,551,529.84 and 41,679,622.08 is: 57,517,560.04
Step by Step Solution
- Step 1: Write the proportion equation
76,487,039.28 : 105,551,529.84 = 41,679,622.08 : x - Step 2: Convert to fraction form
76,487,039.28/105,551,529.84 = 41,679,622.08/x - Step 3: Cross multiply
76,487,039.28x = 105,551,529.84 × 41,679,622.08 - Step 4: Simplify right side
76,487,039.28x = 4,399,347,873,697,043 - Step 5: Solve for x
x = 4,399,347,873,697,043/76,487,039.28 - Step 6: Final answer
x = 57,517,560.04
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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.