Finding the Fourth Proportional to 79,201,291.05, 109,295,830.80 and 43,918,901.19
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Solution
The fourth proportional to 79,201,291.05, 109,295,830.80 and 43,918,901.19 is: 60,607,001.85
Step by Step Solution
- Step 1: Write the proportion equation
79,201,291.05 : 109,295,830.80 = 43,918,901.19 : x - Step 2: Convert to fraction form
79,201,291.05/109,295,830.80 = 43,918,901.19/x - Step 3: Cross multiply
79,201,291.05x = 109,295,830.80 × 43,918,901.19 - Step 4: Simplify right side
79,201,291.05x = 4,800,152,793,384,158 - Step 5: Solve for x
x = 4,800,152,793,384,158/79,201,291.05 - Step 6: Final answer
x = 60,607,001.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.