Finding the Fourth Proportional to 146,148,290.52, 201,684,610.80 and 80,071,132.68
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Solution
The fourth proportional to 146,148,290.52, 201,684,610.80 and 80,071,132.68 is: 110,498,146.60
Step by Step Solution
- Step 1: Write the proportion equation
146,148,290.52 : 201,684,610.80 = 80,071,132.68 : x - Step 2: Convert to fraction form
146,148,290.52/201,684,610.80 = 80,071,132.68/x - Step 3: Cross multiply
146,148,290.52x = 201,684,610.80 × 80,071,132.68 - Step 4: Simplify right side
146,148,290.52x = 16,149,115,230,880,964 - Step 5: Solve for x
x = 16,149,115,230,880,964/146,148,290.52 - Step 6: Final answer
x = 110,498,146.60
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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.