Finding the Fourth Proportional to 79,115,909.70, 118,673,864.55 and 48,504,908.10
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Solution
The fourth proportional to 79,115,909.70, 118,673,864.55 and 48,504,908.10 is: 72,757,362.15
Step by Step Solution
- Step 1: Write the proportion equation
79,115,909.70 : 118,673,864.55 = 48,504,908.10 : x - Step 2: Convert to fraction form
79,115,909.70/118,673,864.55 = 48,504,908.10/x - Step 3: Cross multiply
79,115,909.70x = 118,673,864.55 × 48,504,908.10 - Step 4: Simplify right side
79,115,909.70x = 5,756,264,893,869,598 - Step 5: Solve for x
x = 5,756,264,893,869,598/79,115,909.70 - Step 6: Final answer
x = 72,757,362.15
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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.