Finding the Fourth Proportional to 117,636,228.60, 176,292,915.93 and 74,428,082.70
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Solution
The fourth proportional to 117,636,228.60, 176,292,915.93 and 74,428,082.70 is: 111,539,989.70
Step by Step Solution
- Step 1: Write the proportion equation
117,636,228.60 : 176,292,915.93 = 74,428,082.70 : x - Step 2: Convert to fraction form
117,636,228.60/176,292,915.93 = 74,428,082.70/x - Step 3: Cross multiply
117,636,228.60x = 176,292,915.93 × 74,428,082.70 - Step 4: Simplify right side
117,636,228.60x = 13,121,143,726,262,188 - Step 5: Solve for x
x = 13,121,143,726,262,188/117,636,228.60 - Step 6: Final answer
x = 111,539,989.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.