Finding the Fourth Proportional to 147,559,715.99, 203,650,361.78 and 85,680,052.73
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Solution
The fourth proportional to 147,559,715.99, 203,650,361.78 and 85,680,052.73 is: 118,248,897.53
Step by Step Solution
- Step 1: Write the proportion equation
147,559,715.99 : 203,650,361.78 = 85,680,052.73 : x - Step 2: Convert to fraction form
147,559,715.99/203,650,361.78 = 85,680,052.73/x - Step 3: Cross multiply
147,559,715.99x = 203,650,361.78 × 85,680,052.73 - Step 4: Simplify right side
147,559,715.99x = 17,448,773,735,793,978 - Step 5: Solve for x
x = 17,448,773,735,793,978/147,559,715.99 - Step 6: Final answer
x = 118,248,897.53
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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.