Finding the Fourth Proportional to 110,017,346.68, 151,790,829.26 and 65,948,266.08
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Solution
The fourth proportional to 110,017,346.68, 151,790,829.26 and 65,948,266.08 is: 90,988,760.40
Step by Step Solution
- Step 1: Write the proportion equation
110,017,346.68 : 151,790,829.26 = 65,948,266.08 : x - Step 2: Convert to fraction form
110,017,346.68/151,790,829.26 = 65,948,266.08/x - Step 3: Cross multiply
110,017,346.68x = 151,790,829.26 × 65,948,266.08 - Step 4: Simplify right side
110,017,346.68x = 10,010,341,996,542,328 - Step 5: Solve for x
x = 10,010,341,996,542,328/110,017,346.68 - Step 6: Final answer
x = 90,988,760.40
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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.