Finding the Fourth Proportional to 70,747,807.99, 106,143,369.77 and 36,228,650.62
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Solution
The fourth proportional to 70,747,807.99, 106,143,369.77 and 36,228,650.62 is: 54,354,066.48
Step by Step Solution
- Step 1: Write the proportion equation
70,747,807.99 : 106,143,369.77 = 36,228,650.62 : x - Step 2: Convert to fraction form
70,747,807.99/106,143,369.77 = 36,228,650.62/x - Step 3: Cross multiply
70,747,807.99x = 106,143,369.77 × 36,228,650.62 - Step 4: Simplify right side
70,747,807.99x = 3,845,431,058,845,656 - Step 5: Solve for x
x = 3,845,431,058,845,656/70,747,807.99 - Step 6: Final answer
x = 54,354,066.48
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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.