Finding the Fourth Proportional to 79,134,048.70, 118,701,073.05 and 65,529,159.10
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Solution
The fourth proportional to 79,134,048.70, 118,701,073.05 and 65,529,159.10 is: 98,293,738.65
Step by Step Solution
- Step 1: Write the proportion equation
79,134,048.70 : 118,701,073.05 = 65,529,159.10 : x - Step 2: Convert to fraction form
79,134,048.70/118,701,073.05 = 65,529,159.10/x - Step 3: Cross multiply
79,134,048.70x = 118,701,073.05 × 65,529,159.10 - Step 4: Simplify right side
79,134,048.70x = 7,778,381,501,234,172 - Step 5: Solve for x
x = 7,778,381,501,234,172/79,134,048.70 - Step 6: Final answer
x = 98,293,738.65
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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.