Finding the Fourth Proportional to 79,799,600.18, 110,123,398.49 and 43,130,171.18
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Solution
The fourth proportional to 79,799,600.18, 110,123,398.49 and 43,130,171.18 is: 59,519,609.33
Step by Step Solution
- Step 1: Write the proportion equation
79,799,600.18 : 110,123,398.49 = 43,130,171.18 : x - Step 2: Convert to fraction form
79,799,600.18/110,123,398.49 = 43,130,171.18/x - Step 3: Cross multiply
79,799,600.18x = 110,123,398.49 × 43,130,171.18 - Step 4: Simplify right side
79,799,600.18x = 4,749,641,027,030,785 - Step 5: Solve for x
x = 4,749,641,027,030,785/79,799,600.18 - Step 6: Final answer
x = 59,519,609.33
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1.5x scale
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.