Finding the Fourth Proportional to 64,747,547.80, 97,121,321.70 and 16,878,491.80
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Solution
The fourth proportional to 64,747,547.80, 97,121,321.70 and 16,878,491.80 is: 25,317,737.70
Step by Step Solution
- Step 1: Write the proportion equation
64,747,547.80 : 97,121,321.70 = 16,878,491.80 : x - Step 2: Convert to fraction form
64,747,547.80/97,121,321.70 = 16,878,491.80/x - Step 3: Cross multiply
64,747,547.80x = 97,121,321.70 × 16,878,491.80 - Step 4: Simplify right side
64,747,547.80x = 1,639,261,431,918,612.25 - Step 5: Solve for x
x = 1,639,261,431,918,612.25/64,747,547.80 - Step 6: Final answer
x = 25,317,737.70
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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.