Finding the Fourth Proportional to 66,561,386.40, 99,646,124.40 and 49,597,264.80
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Solution
The fourth proportional to 66,561,386.40, 99,646,124.40 and 49,597,264.80 is: 74,249,883.99
Step by Step Solution
- Step 1: Write the proportion equation
66,561,386.40 : 99,646,124.40 = 49,597,264.80 : x - Step 2: Convert to fraction form
66,561,386.40/99,646,124.40 = 49,597,264.80/x - Step 3: Cross multiply
66,561,386.40x = 99,646,124.40 × 49,597,264.80 - Step 4: Simplify right side
66,561,386.40x = 4,942,175,218,160,541 - Step 5: Solve for x
x = 4,942,175,218,160,541/66,561,386.40 - Step 6: Final answer
x = 74,249,883.99
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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.