Finding the Fourth Proportional to 66,943,846.16, 100,369,927.15 and 34,090,820.99
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Solution
The fourth proportional to 66,943,846.16, 100,369,927.15 and 34,090,820.99 is: 51,112,886.62
Step by Step Solution
- Step 1: Write the proportion equation
66,943,846.16 : 100,369,927.15 = 34,090,820.99 : x - Step 2: Convert to fraction form
66,943,846.16/100,369,927.15 = 34,090,820.99/x - Step 3: Cross multiply
66,943,846.16x = 100,369,927.15 × 34,090,820.99 - Step 4: Simplify right side
66,943,846.16x = 3,421,693,218,577,687 - Step 5: Solve for x
x = 3,421,693,218,577,687/66,943,846.16 - Step 6: Final answer
x = 51,112,886.62
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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.