Finding the Fourth Proportional to 102,504,905,710.18, 153,701,307,024.18 and 81,392,970,972.56
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Solution
The fourth proportional to 102,504,905,710.18, 153,701,307,024.18 and 81,392,970,972.56 is: 122,044,949,306.47
Step by Step Solution
- Step 1: Write the proportion equation
102,504,905,710.18 : 153,701,307,024.18 = 81,392,970,972.56 : x - Step 2: Convert to fraction form
102,504,905,710.18/153,701,307,024.18 = 81,392,970,972.56/x - Step 3: Cross multiply
102,504,905,710.18x = 153,701,307,024.18 × 81,392,970,972.56 - Step 4: Simplify right side
102,504,905,710.18x = 12,510,206,021,062,845,530,112 - Step 5: Solve for x
x = 12,510,206,021,062,845,530,112/102,504,905,710.18 - Step 6: Final answer
x = 122,044,949,306.47
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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.