Finding the Fourth Proportional to 66,887,491.80, 92,304,551.43 and 37,122,633.53
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Solution
The fourth proportional to 66,887,491.80, 92,304,551.43 and 37,122,633.53 is: 51,229,130.35
Step by Step Solution
- Step 1: Write the proportion equation
66,887,491.80 : 92,304,551.43 = 37,122,633.53 : x - Step 2: Convert to fraction form
66,887,491.80/92,304,551.43 = 37,122,633.53/x - Step 3: Cross multiply
66,887,491.80x = 92,304,551.43 × 37,122,633.53 - Step 4: Simplify right side
66,887,491.80x = 3,426,588,036,358,820.50 - Step 5: Solve for x
x = 3,426,588,036,358,820.50/66,887,491.80 - Step 6: Final answer
x = 51,229,130.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.