Finding the Fourth Proportional to 67,808,516.16, 93,575,091.36 and 36,868,684.80
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Solution
The fourth proportional to 67,808,516.16, 93,575,091.36 and 36,868,684.80 is: 50,878,425.66
Step by Step Solution
- Step 1: Write the proportion equation
67,808,516.16 : 93,575,091.36 = 36,868,684.80 : x - Step 2: Convert to fraction form
67,808,516.16/93,575,091.36 = 36,868,684.80/x - Step 3: Cross multiply
67,808,516.16x = 93,575,091.36 × 36,868,684.80 - Step 4: Simplify right side
67,808,516.16x = 3,449,990,548,483,043 - Step 5: Solve for x
x = 3,449,990,548,483,043/67,808,516.16 - Step 6: Final answer
x = 50,878,425.66
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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.