Finding the Fourth Proportional to 133,060,389.20, 199,590,583.80 and 60,312,021.20
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Solution
The fourth proportional to 133,060,389.20, 199,590,583.80 and 60,312,021.20 is: 90,468,031.80
Step by Step Solution
- Step 1: Write the proportion equation
133,060,389.20 : 199,590,583.80 = 60,312,021.20 : x - Step 2: Convert to fraction form
133,060,389.20/199,590,583.80 = 60,312,021.20/x - Step 3: Cross multiply
133,060,389.20x = 199,590,583.80 × 60,312,021.20 - Step 4: Simplify right side
133,060,389.20x = 12,037,711,521,465,978 - Step 5: Solve for x
x = 12,037,711,521,465,978/133,060,389.20 - Step 6: Final answer
x = 90,468,031.80
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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.