Finding the Fourth Proportional to 99,967,177.53, 149,957,345.86 and 26,192,763.95
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Solution
The fourth proportional to 99,967,177.53, 149,957,345.86 and 26,192,763.95 is: 39,290,869.85
Step by Step Solution
- Step 1: Write the proportion equation
99,967,177.53 : 149,957,345.86 = 26,192,763.95 : x - Step 2: Convert to fraction form
99,967,177.53/149,957,345.86 = 26,192,763.95/x - Step 3: Cross multiply
99,967,177.53x = 149,957,345.86 × 26,192,763.95 - Step 4: Simplify right side
99,967,177.53x = 3,927,797,361,864,221 - Step 5: Solve for x
x = 3,927,797,361,864,221/99,967,177.53 - Step 6: Final answer
x = 39,290,869.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.