Finding the Fourth Proportional to 122,088,231.60, 183,132,347.40 and 83,346,182.70
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Solution
The fourth proportional to 122,088,231.60, 183,132,347.40 and 83,346,182.70 is: 125,019,274.05
Step by Step Solution
- Step 1: Write the proportion equation
122,088,231.60 : 183,132,347.40 = 83,346,182.70 : x - Step 2: Convert to fraction form
122,088,231.60/183,132,347.40 = 83,346,182.70/x - Step 3: Cross multiply
122,088,231.60x = 183,132,347.40 × 83,346,182.70 - Step 4: Simplify right side
122,088,231.60x = 15,263,382,084,680,272 - Step 5: Solve for x
x = 15,263,382,084,680,272/122,088,231.60 - Step 6: Final answer
x = 125,019,274.05
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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.