Finding the Fourth Proportional to 107,218,954.80, 160,828,432.20 and 30,540,985.20
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Solution
The fourth proportional to 107,218,954.80, 160,828,432.20 and 30,540,985.20 is: 45,811,477.80
Step by Step Solution
- Step 1: Write the proportion equation
107,218,954.80 : 160,828,432.20 = 30,540,985.20 : x - Step 2: Convert to fraction form
107,218,954.80/160,828,432.20 = 30,540,985.20/x - Step 3: Cross multiply
107,218,954.80x = 160,828,432.20 × 30,540,985.20 - Step 4: Simplify right side
107,218,954.80x = 4,911,858,767,559,403 - Step 5: Solve for x
x = 4,911,858,767,559,403/107,218,954.80 - Step 6: Final answer
x = 45,811,477.80
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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.