Finding the Fourth Proportional to 99,102,701.60, 148,512,334.80 and 68,775,135.20
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Solution
The fourth proportional to 99,102,701.60, 148,512,334.80 and 68,775,135.20 is: 103,064,353.85
Step by Step Solution
- Step 1: Write the proportion equation
99,102,701.60 : 148,512,334.80 = 68,775,135.20 : x - Step 2: Convert to fraction form
99,102,701.60/148,512,334.80 = 68,775,135.20/x - Step 3: Cross multiply
99,102,701.60x = 148,512,334.80 × 68,775,135.20 - Step 4: Simplify right side
99,102,701.60x = 10,213,955,904,737,666 - Step 5: Solve for x
x = 10,213,955,904,737,666/99,102,701.60 - Step 6: Final answer
x = 103,064,353.85
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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.