Finding the Fourth Proportional to 177,643,948.80, 266,465,923.20 and 48,267,589.80
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Solution
The fourth proportional to 177,643,948.80, 266,465,923.20 and 48,267,589.80 is: 72,401,384.70
Step by Step Solution
- Step 1: Write the proportion equation
177,643,948.80 : 266,465,923.20 = 48,267,589.80 : x - Step 2: Convert to fraction form
177,643,948.80/266,465,923.20 = 48,267,589.80/x - Step 3: Cross multiply
177,643,948.80x = 266,465,923.20 × 48,267,589.80 - Step 4: Simplify right side
177,643,948.80x = 12,861,667,876,695,902 - Step 5: Solve for x
x = 12,861,667,876,695,902/177,643,948.80 - Step 6: Final answer
x = 72,401,384.70
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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.