Finding the Fourth Proportional to 168,436,302.80, 252,654,454.20 and 96,772,686.80
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Solution
The fourth proportional to 168,436,302.80, 252,654,454.20 and 96,772,686.80 is: 145,159,030.20
Step by Step Solution
- Step 1: Write the proportion equation
168,436,302.80 : 252,654,454.20 = 96,772,686.80 : x - Step 2: Convert to fraction form
168,436,302.80/252,654,454.20 = 96,772,686.80/x - Step 3: Cross multiply
168,436,302.80x = 252,654,454.20 × 96,772,686.80 - Step 4: Simplify right side
168,436,302.80x = 24,450,050,364,921,544 - Step 5: Solve for x
x = 24,450,050,364,921,544/168,436,302.80 - Step 6: Final answer
x = 145,159,030.20
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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.