Finding the Fourth Proportional to 47,184,916.32, 65,135,252.88 and 31,723,963.20
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Solution
The fourth proportional to 47,184,916.32, 65,135,252.88 and 31,723,963.20 is: 43,792,561.83
Step by Step Solution
- Step 1: Write the proportion equation
47,184,916.32 : 65,135,252.88 = 31,723,963.20 : x - Step 2: Convert to fraction form
47,184,916.32/65,135,252.88 = 31,723,963.20/x - Step 3: Cross multiply
47,184,916.32x = 65,135,252.88 × 31,723,963.20 - Step 4: Simplify right side
47,184,916.32x = 2,066,348,365,387,814 - Step 5: Solve for x
x = 2,066,348,365,387,814/47,184,916.32 - Step 6: Final answer
x = 43,792,561.83
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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.