Finding the Fourth Proportional to 106,415,439.68, 146,857,660.80 and 67,242,921.68
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Solution
The fourth proportional to 106,415,439.68, 146,857,660.80 and 67,242,921.68 is: 92,797,983.20
Step by Step Solution
- Step 1: Write the proportion equation
106,415,439.68 : 146,857,660.80 = 67,242,921.68 : x - Step 2: Convert to fraction form
106,415,439.68/146,857,660.80 = 67,242,921.68/x - Step 3: Cross multiply
106,415,439.68x = 146,857,660.80 × 67,242,921.68 - Step 4: Simplify right side
106,415,439.68x = 9,875,138,183,282,408 - Step 5: Solve for x
x = 9,875,138,183,282,408/106,415,439.68 - Step 6: Final answer
x = 92,797,983.20
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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.