Finding the Fourth Proportional to 106,616,251.41, 147,153,158.14 and 73,171,481.01
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Solution
The fourth proportional to 106,616,251.41, 147,153,158.14 and 73,171,481.01 is: 100,992,244.37
Step by Step Solution
- Step 1: Write the proportion equation
106,616,251.41 : 147,153,158.14 = 73,171,481.01 : x - Step 2: Convert to fraction form
106,616,251.41/147,153,158.14 = 73,171,481.01/x - Step 3: Cross multiply
106,616,251.41x = 147,153,158.14 × 73,171,481.01 - Step 4: Simplify right side
106,616,251.41x = 10,767,414,516,402,536 - Step 5: Solve for x
x = 10,767,414,516,402,536/106,616,251.41 - Step 6: Final answer
x = 100,992,244.37
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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.