Finding the Fourth Proportional to 54,191,881.09, 74,784,868.11 and 29,412,067.95
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Solution
The fourth proportional to 54,191,881.09, 74,784,868.11 and 29,412,067.95 is: 40,588,692.96
Step by Step Solution
- Step 1: Write the proportion equation
54,191,881.09 : 74,784,868.11 = 29,412,067.95 : x - Step 2: Convert to fraction form
54,191,881.09/74,784,868.11 = 29,412,067.95/x - Step 3: Cross multiply
54,191,881.09x = 74,784,868.11 × 29,412,067.95 - Step 4: Simplify right side
54,191,881.09x = 2,199,577,622,483,108 - Step 5: Solve for x
x = 2,199,577,622,483,108/54,191,881.09 - Step 6: Final answer
x = 40,588,692.96
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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.