Finding the Fourth Proportional to 79,134,065.70, 118,701,098.55 and 65,529,176.10
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Solution
The fourth proportional to 79,134,065.70, 118,701,098.55 and 65,529,176.10 is: 98,293,764.15
Step by Step Solution
- Step 1: Write the proportion equation
79,134,065.70 : 118,701,098.55 = 65,529,176.10 : x - Step 2: Convert to fraction form
79,134,065.70/118,701,098.55 = 65,529,176.10/x - Step 3: Cross multiply
79,134,065.70x = 118,701,098.55 × 65,529,176.10 - Step 4: Simplify right side
79,134,065.70x = 7,778,385,190,146,405 - Step 5: Solve for x
x = 7,778,385,190,146,405/79,134,065.70 - Step 6: Final answer
x = 98,293,764.15
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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.