Finding the Fourth Proportional to 66,616,199.52, 91,955,723.76 and 43,416,970.08
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Solution
The fourth proportional to 66,616,199.52, 91,955,723.76 and 43,416,970.08 is: 59,931,952.53
Step by Step Solution
- Step 1: Write the proportion equation
66,616,199.52 : 91,955,723.76 = 43,416,970.08 : x - Step 2: Convert to fraction form
66,616,199.52/91,955,723.76 = 43,416,970.08/x - Step 3: Cross multiply
66,616,199.52x = 91,955,723.76 × 43,416,970.08 - Step 4: Simplify right side
66,616,199.52x = 3,992,438,907,172,665 - Step 5: Solve for x
x = 3,992,438,907,172,665/66,616,199.52 - Step 6: Final answer
x = 59,931,952.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.