Finding the Fourth Proportional to 97,880,611.37, 135,078,795.00 and 56,072,756.81
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Solution
The fourth proportional to 97,880,611.37, 135,078,795.00 and 56,072,756.81 is: 77,382,438.83
Step by Step Solution
- Step 1: Write the proportion equation
97,880,611.37 : 135,078,795.00 = 56,072,756.81 : x - Step 2: Convert to fraction form
97,880,611.37/135,078,795.00 = 56,072,756.81/x - Step 3: Cross multiply
97,880,611.37x = 135,078,795.00 × 56,072,756.81 - Step 4: Simplify right side
97,880,611.37x = 7,574,240,421,942,481 - Step 5: Solve for x
x = 7,574,240,421,942,481/97,880,611.37 - Step 6: Final answer
x = 77,382,438.83
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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.