Finding the Fourth Proportional to 93,418,901.10, 140,128,351.65 and 88,128,110.70
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Solution
The fourth proportional to 93,418,901.10, 140,128,351.65 and 88,128,110.70 is: 132,192,166.05
Step by Step Solution
- Step 1: Write the proportion equation
93,418,901.10 : 140,128,351.65 = 88,128,110.70 : x - Step 2: Convert to fraction form
93,418,901.10/140,128,351.65 = 88,128,110.70/x - Step 3: Cross multiply
93,418,901.10x = 140,128,351.65 × 88,128,110.70 - Step 4: Simplify right side
93,418,901.10x = 12,349,246,886,419,728 - Step 5: Solve for x
x = 12,349,246,886,419,728/93,418,901.10 - Step 6: Final answer
x = 132,192,166.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.