Finding the Fourth Proportional to 251,740,752.72, 377,669,545.87 and 79,213,082.14
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Solution
The fourth proportional to 251,740,752.72, 377,669,545.87 and 79,213,082.14 is: 118,838,004.72
Step by Step Solution
- Step 1: Write the proportion equation
251,740,752.72 : 377,669,545.87 = 79,213,082.14 : x - Step 2: Convert to fraction form
251,740,752.72/377,669,545.87 = 79,213,082.14/x - Step 3: Cross multiply
251,740,752.72x = 377,669,545.87 × 79,213,082.14 - Step 4: Simplify right side
251,740,752.72x = 29,916,368,758,776,808 - Step 5: Solve for x
x = 29,916,368,758,776,808/251,740,752.72 - Step 6: Final answer
x = 118,838,004.72
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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.