Finding the Fourth Proportional to 134,918,703.60, 186,187,873.23 and 73,039,042.14
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Solution
The fourth proportional to 134,918,703.60, 186,187,873.23 and 73,039,042.14 is: 100,793,911.86
Step by Step Solution
- Step 1: Write the proportion equation
134,918,703.60 : 186,187,873.23 = 73,039,042.14 : x - Step 2: Convert to fraction form
134,918,703.60/186,187,873.23 = 73,039,042.14/x - Step 3: Cross multiply
134,918,703.60x = 186,187,873.23 × 73,039,042.14 - Step 4: Simplify right side
134,918,703.60x = 13,598,983,918,802,948 - Step 5: Solve for x
x = 13,598,983,918,802,948/134,918,703.60 - Step 6: Final answer
x = 100,793,911.86
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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.