Finding the Fourth Proportional to 163,223,706.79, 225,231,562.87 and 92,636,867.53
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Solution
The fourth proportional to 163,223,706.79, 225,231,562.87 and 92,636,867.53 is: 127,829,142.37
Step by Step Solution
- Step 1: Write the proportion equation
163,223,706.79 : 225,231,562.87 = 92,636,867.53 : x - Step 2: Convert to fraction form
163,223,706.79/225,231,562.87 = 92,636,867.53/x - Step 3: Cross multiply
163,223,706.79x = 225,231,562.87 × 92,636,867.53 - Step 4: Simplify right side
163,223,706.79x = 20,864,746,453,163,056 - Step 5: Solve for x
x = 20,864,746,453,163,056/163,223,706.79 - Step 6: Final answer
x = 127,829,142.37
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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.