Finding the Fourth Proportional to 163,735,099.80, 245,602,649.70 and 117,579,448.95
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Solution
The fourth proportional to 163,735,099.80, 245,602,649.70 and 117,579,448.95 is: 176,369,173.43
Step by Step Solution
- Step 1: Write the proportion equation
163,735,099.80 : 245,602,649.70 = 117,579,448.95 : x - Step 2: Convert to fraction form
163,735,099.80/245,602,649.70 = 117,579,448.95/x - Step 3: Cross multiply
163,735,099.80x = 245,602,649.70 × 117,579,448.95 - Step 4: Simplify right side
163,735,099.80x = 28,877,824,212,385,884 - Step 5: Solve for x
x = 28,877,824,212,385,884/163,735,099.80 - Step 6: Final answer
x = 176,369,173.43
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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.