Finding the Fourth Proportional to 64,749,297.80, 97,123,946.70 and 16,880,241.80
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Solution
The fourth proportional to 64,749,297.80, 97,123,946.70 and 16,880,241.80 is: 25,320,362.70
Step by Step Solution
- Step 1: Write the proportion equation
64,749,297.80 : 97,123,946.70 = 16,880,241.80 : x - Step 2: Convert to fraction form
64,749,297.80/97,123,946.70 = 16,880,241.80/x - Step 3: Cross multiply
64,749,297.80x = 97,123,946.70 × 16,880,241.80 - Step 4: Simplify right side
64,749,297.80x = 1,639,475,704,866,312.25 - Step 5: Solve for x
x = 1,639,475,704,866,312.25/64,749,297.80 - Step 6: Final answer
x = 25,320,362.70
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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.