Finding the Fourth Proportional to 118,497,651.95, 163,533,116.03 and 66,283,573.70
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Solution
The fourth proportional to 118,497,651.95, 163,533,116.03 and 66,283,573.70 is: 91,474,887.23
Step by Step Solution
- Step 1: Write the proportion equation
118,497,651.95 : 163,533,116.03 = 66,283,573.70 : x - Step 2: Convert to fraction form
118,497,651.95/163,533,116.03 = 66,283,573.70/x - Step 3: Cross multiply
118,497,651.95x = 163,533,116.03 × 66,283,573.70 - Step 4: Simplify right side
118,497,651.95x = 10,839,559,348,842,572 - Step 5: Solve for x
x = 10,839,559,348,842,572/118,497,651.95 - Step 6: Final answer
x = 91,474,887.23
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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.