Finding the Fourth Proportional to 234,968,720.64, 352,413,988.62 and 71,167,532.76
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Solution
The fourth proportional to 234,968,720.64, 352,413,988.62 and 71,167,532.76 is: 106,739,458.82
Step by Step Solution
- Step 1: Write the proportion equation
234,968,720.64 : 352,413,988.62 = 71,167,532.76 : x - Step 2: Convert to fraction form
234,968,720.64/352,413,988.62 = 71,167,532.76/x - Step 3: Cross multiply
234,968,720.64x = 352,413,988.62 × 71,167,532.76 - Step 4: Simplify right side
234,968,720.64x = 25,080,434,080,196,120 - Step 5: Solve for x
x = 25,080,434,080,196,120/234,968,720.64 - Step 6: Final answer
x = 106,739,458.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.