Finding the Fourth Proportional to 97,880,611.11, 135,078,794.65 and 56,072,756.56
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Solution
The fourth proportional to 97,880,611.11, 135,078,794.65 and 56,072,756.56 is: 77,382,438.49
Step by Step Solution
- Step 1: Write the proportion equation
97,880,611.11 : 135,078,794.65 = 56,072,756.56 : x - Step 2: Convert to fraction form
97,880,611.11/135,078,794.65 = 56,072,756.56/x - Step 3: Cross multiply
97,880,611.11x = 135,078,794.65 × 56,072,756.56 - Step 4: Simplify right side
97,880,611.11x = 7,574,240,369,066,620 - Step 5: Solve for x
x = 7,574,240,369,066,620/97,880,611.11 - Step 6: Final answer
x = 77,382,438.49
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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.