Finding the Fourth Proportional to 108,915,136.24, 163,420,949.24 and 57,087,421.82
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Solution
The fourth proportional to 108,915,136.24, 163,420,949.24 and 57,087,421.82 is: 85,656,420.09
Step by Step Solution
- Step 1: Write the proportion equation
108,915,136.24 : 163,420,949.24 = 57,087,421.82 : x - Step 2: Convert to fraction form
108,915,136.24/163,420,949.24 = 57,087,421.82/x - Step 3: Cross multiply
108,915,136.24x = 163,420,949.24 × 57,087,421.82 - Step 4: Simplify right side
108,915,136.24x = 9,329,280,663,488,690 - Step 5: Solve for x
x = 9,329,280,663,488,690/108,915,136.24 - Step 6: Final answer
x = 85,656,420.09
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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.