Finding the Fourth Proportional to 79,031,117.70, 118,663,212.60 and 44,084,513.52
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Solution
The fourth proportional to 79,031,117.70, 118,663,212.60 and 44,084,513.52 is: 66,191,775.50
Step by Step Solution
- Step 1: Write the proportion equation
79,031,117.70 : 118,663,212.60 = 44,084,513.52 : x - Step 2: Convert to fraction form
79,031,117.70/118,663,212.60 = 44,084,513.52/x - Step 3: Cross multiply
79,031,117.70x = 118,663,212.60 × 44,084,513.52 - Step 4: Simplify right side
79,031,117.70x = 5,231,210,000,191,334 - Step 5: Solve for x
x = 5,231,210,000,191,334/79,031,117.70 - Step 6: Final answer
x = 66,191,775.50
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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.