Finding the Fourth Proportional to 133,060,520.70, 199,619,811.45 and 75,580,328.70
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Solution
The fourth proportional to 133,060,520.70, 199,619,811.45 and 75,580,328.70 is: 113,386,982.74
Step by Step Solution
- Step 1: Write the proportion equation
133,060,520.70 : 199,619,811.45 = 75,580,328.70 : x - Step 2: Convert to fraction form
133,060,520.70/199,619,811.45 = 75,580,328.70/x - Step 3: Cross multiply
133,060,520.70x = 199,619,811.45 × 75,580,328.70 - Step 4: Simplify right side
133,060,520.70x = 15,087,330,964,423,024 - Step 5: Solve for x
x = 15,087,330,964,423,024/133,060,520.70 - Step 6: Final answer
x = 113,386,982.74
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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.