Finding the Fourth Proportional to 53,145,645.70, 79,718,468.55 and 17,243,853.70
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Solution
The fourth proportional to 53,145,645.70, 79,718,468.55 and 17,243,853.70 is: 25,865,780.55
Step by Step Solution
- Step 1: Write the proportion equation
53,145,645.70 : 79,718,468.55 = 17,243,853.70 : x - Step 2: Convert to fraction form
53,145,645.70/79,718,468.55 = 17,243,853.70/x - Step 3: Cross multiply
53,145,645.70x = 79,718,468.55 × 17,243,853.70 - Step 4: Simplify right side
53,145,645.70x = 1,374,653,608,864,251 - Step 5: Solve for x
x = 1,374,653,608,864,251/53,145,645.70 - Step 6: Final answer
x = 25,865,780.55
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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.