Finding the Fourth Proportional to 61,169,887.96, 84,415,135.42 and 33,292,776.64
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Solution
The fourth proportional to 61,169,887.96, 84,415,135.42 and 33,292,776.64 is: 45,944,407.33
Step by Step Solution
- Step 1: Write the proportion equation
61,169,887.96 : 84,415,135.42 = 33,292,776.64 : x - Step 2: Convert to fraction form
61,169,887.96/84,415,135.42 = 33,292,776.64/x - Step 3: Cross multiply
61,169,887.96x = 84,415,135.42 × 33,292,776.64 - Step 4: Simplify right side
61,169,887.96x = 2,810,414,248,573,412.50 - Step 5: Solve for x
x = 2,810,414,248,573,412.50/61,169,887.96 - Step 6: Final answer
x = 45,944,407.33
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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.