Finding the Fourth Proportional to 118,497,653.96, 163,533,118.79 and 66,283,575.71
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Solution
The fourth proportional to 118,497,653.96, 163,533,118.79 and 66,283,575.71 is: 91,474,889.99
Step by Step Solution
- Step 1: Write the proportion equation
118,497,653.96 : 163,533,118.79 = 66,283,575.71 : x - Step 2: Convert to fraction form
118,497,653.96/163,533,118.79 = 66,283,575.71/x - Step 3: Cross multiply
118,497,653.96x = 163,533,118.79 × 66,283,575.71 - Step 4: Simplify right side
118,497,653.96x = 10,839,559,859,260,304 - Step 5: Solve for x
x = 10,839,559,859,260,304/118,497,653.96 - Step 6: Final answer
x = 91,474,889.99
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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.