Finding the Fourth Proportional to 153,744,157.84, 212,166,935.64 and 84,129,536.68
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Solution
The fourth proportional to 153,744,157.84, 212,166,935.64 and 84,129,536.68 is: 116,098,759.43
Step by Step Solution
- Step 1: Write the proportion equation
153,744,157.84 : 212,166,935.64 = 84,129,536.68 : x - Step 2: Convert to fraction form
153,744,157.84/212,166,935.64 = 84,129,536.68/x - Step 3: Cross multiply
153,744,157.84x = 212,166,935.64 × 84,129,536.68 - Step 4: Simplify right side
153,744,157.84x = 17,849,505,994,208,580 - Step 5: Solve for x
x = 17,849,505,994,208,580/153,744,157.84 - Step 6: Final answer
x = 116,098,759.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.