Finding the Fourth Proportional to 106,415,438.68, 146,857,659.42 and 67,242,920.68
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Solution
The fourth proportional to 106,415,438.68, 146,857,659.42 and 67,242,920.68 is: 92,797,981.82
Step by Step Solution
- Step 1: Write the proportion equation
106,415,438.68 : 146,857,659.42 = 67,242,920.68 : x - Step 2: Convert to fraction form
106,415,438.68/146,857,659.42 = 67,242,920.68/x - Step 3: Cross multiply
106,415,438.68x = 146,857,659.42 × 67,242,920.68 - Step 4: Simplify right side
106,415,438.68x = 9,875,137,943,629,514 - Step 5: Solve for x
x = 9,875,137,943,629,514/106,415,438.68 - Step 6: Final answer
x = 92,797,981.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.