Finding the Fourth Proportional to 66,213,884.84, 91,323,395.88 and 43,016,486
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Solution
The fourth proportional to 66,213,884.84, 91,323,395.88 and 43,016,486 is: 59,329,120.92
Step by Step Solution
- Step 1: Write the proportion equation
66,213,884.84 : 91,323,395.88 = 43,016,486 : x - Step 2: Convert to fraction form
66,213,884.84/91,323,395.88 = 43,016,486/x - Step 3: Cross multiply
66,213,884.84x = 91,323,395.88 × 43,016,486 - Step 4: Simplify right side
66,213,884.84x = 3,928,411,580,344,477.50 - Step 5: Solve for x
x = 3,928,411,580,344,477.50/66,213,884.84 - Step 6: Final answer
x = 59,329,120.92
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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.