Finding the Fourth Proportional to 75,726,864.84, 113,590,290.30 and 18,219,136.08
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Solution
The fourth proportional to 75,726,864.84, 113,590,290.30 and 18,219,136.08 is: 27,328,702.45
Step by Step Solution
- Step 1: Write the proportion equation
75,726,864.84 : 113,590,290.30 = 18,219,136.08 : x - Step 2: Convert to fraction form
75,726,864.84/113,590,290.30 = 18,219,136.08/x - Step 3: Cross multiply
75,726,864.84x = 113,590,290.30 × 18,219,136.08 - Step 4: Simplify right side
75,726,864.84x = 2,069,516,956,342,403.75 - Step 5: Solve for x
x = 2,069,516,956,342,403.75/75,726,864.84 - Step 6: Final answer
x = 27,328,702.45
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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.