Finding the Fourth Proportional to 93,205,153.52, 128,678,285.76 and 82,863,311.66
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Solution
The fourth proportional to 93,205,153.52, 128,678,285.76 and 82,863,311.66 is: 114,400,422.02
Step by Step Solution
- Step 1: Write the proportion equation
93,205,153.52 : 128,678,285.76 = 82,863,311.66 : x - Step 2: Convert to fraction form
93,205,153.52/128,678,285.76 = 82,863,311.66/x - Step 3: Cross multiply
93,205,153.52x = 128,678,285.76 × 82,863,311.66 - Step 4: Simplify right side
93,205,153.52x = 10,662,708,896,805,420 - Step 5: Solve for x
x = 10,662,708,896,805,420/93,205,153.52 - Step 6: Final answer
x = 114,400,422.02
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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.