Finding the Fourth Proportional to 97,856,787.80, 135,042,901.03 and 57,624,538.97
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Solution
The fourth proportional to 97,856,787.80, 135,042,901.03 and 57,624,538.97 is: 79,522,178.15
Step by Step Solution
- Step 1: Write the proportion equation
97,856,787.80 : 135,042,901.03 = 57,624,538.97 : x - Step 2: Convert to fraction form
97,856,787.80/135,042,901.03 = 57,624,538.97/x - Step 3: Cross multiply
97,856,787.80x = 135,042,901.03 × 57,624,538.97 - Step 4: Simplify right side
97,856,787.80x = 7,781,784,913,025,088 - Step 5: Solve for x
x = 7,781,784,913,025,088/97,856,787.80 - Step 6: Final answer
x = 79,522,178.15
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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.