Finding the Fourth Proportional to 93,208,169.95, 128,682,384.11 and 82,866,266.73
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Solution
The fourth proportional to 93,208,169.95, 128,682,384.11 and 82,866,266.73 is: 114,404,442.99
Step by Step Solution
- Step 1: Write the proportion equation
93,208,169.95 : 128,682,384.11 = 82,866,266.73 : x - Step 2: Convert to fraction form
93,208,169.95/128,682,384.11 = 82,866,266.73/x - Step 3: Cross multiply
93,208,169.95x = 128,682,384.11 × 82,866,266.73 - Step 4: Simplify right side
93,208,169.95x = 10,663,428,765,007,992 - Step 5: Solve for x
x = 10,663,428,765,007,992/93,208,169.95 - Step 6: Final answer
x = 114,404,442.99
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1.5x scale
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.