Finding the Fourth Proportional to 66,572,406.24, 91,861,964.04 and 36,799,032.36
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Solution
The fourth proportional to 66,572,406.24, 91,861,964.04 and 36,799,032.36 is: 50,778,266.53
Step by Step Solution
- Step 1: Write the proportion equation
66,572,406.24 : 91,861,964.04 = 36,799,032.36 : x - Step 2: Convert to fraction form
66,572,406.24/91,861,964.04 = 36,799,032.36/x - Step 3: Cross multiply
66,572,406.24x = 91,861,964.04 × 36,799,032.36 - Step 4: Simplify right side
66,572,406.24x = 3,380,431,387,361,116.50 - Step 5: Solve for x
x = 3,380,431,387,361,116.50/66,572,406.24 - Step 6: Final answer
x = 50,778,266.53
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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.