Finding the Fourth Proportional to 65,202,053.80, 97,803,080.70 and 19,757,943.40
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Solution
The fourth proportional to 65,202,053.80, 97,803,080.70 and 19,757,943.40 is: 29,636,915.10
Step by Step Solution
- Step 1: Write the proportion equation
65,202,053.80 : 97,803,080.70 = 19,757,943.40 : x - Step 2: Convert to fraction form
65,202,053.80/97,803,080.70 = 19,757,943.40/x - Step 3: Cross multiply
65,202,053.80x = 97,803,080.70 × 19,757,943.40 - Step 4: Simplify right side
65,202,053.80x = 1,932,387,732,816,232.25 - Step 5: Solve for x
x = 1,932,387,732,816,232.25/65,202,053.80 - Step 6: Final answer
x = 29,636,915.10
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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.