Finding the Fourth Proportional to 159,599,200.35, 220,246,796.97 and 86,260,342.35
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Solution
The fourth proportional to 159,599,200.35, 220,246,796.97 and 86,260,342.35 is: 119,039,218.66
Step by Step Solution
- Step 1: Write the proportion equation
159,599,200.35 : 220,246,796.97 = 86,260,342.35 : x - Step 2: Convert to fraction form
159,599,200.35/220,246,796.97 = 86,260,342.35/x - Step 3: Cross multiply
159,599,200.35x = 220,246,796.97 × 86,260,342.35 - Step 4: Simplify right side
159,599,200.35x = 18,998,564,108,123,140 - Step 5: Solve for x
x = 18,998,564,108,123,140/159,599,200.35 - Step 6: Final answer
x = 119,039,218.66
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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.