Finding the Fourth Proportional to 137,070,660.79, 205,585,766.87 and 40,000,304.93
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Solution
The fourth proportional to 137,070,660.79, 205,585,766.87 and 40,000,304.93 is: 59,994,555.49
Step by Step Solution
- Step 1: Write the proportion equation
137,070,660.79 : 205,585,766.87 = 40,000,304.93 : x - Step 2: Convert to fraction form
137,070,660.79/205,585,766.87 = 40,000,304.93/x - Step 3: Cross multiply
137,070,660.79x = 205,585,766.87 × 40,000,304.93 - Step 4: Simplify right side
137,070,660.79x = 8,223,493,364,381,854 - Step 5: Solve for x
x = 8,223,493,364,381,854/137,070,660.79 - Step 6: Final answer
x = 59,994,555.49
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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.