Finding the Fourth Proportional to 128,695,561,627.45, 177,599,904,035.15 and 70,823,941,444.62
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Solution
The fourth proportional to 128,695,561,627.45, 177,599,904,035.15 and 70,823,941,444.62 is: 97,737,055,146.99
Step by Step Solution
- Step 1: Write the proportion equation
128,695,561,627.45 : 177,599,904,035.15 = 70,823,941,444.62 : x - Step 2: Convert to fraction form
128,695,561,627.45/177,599,904,035.15 = 70,823,941,444.62/x - Step 3: Cross multiply
128,695,561,627.45x = 177,599,904,035.15 × 70,823,941,444.62 - Step 4: Simplify right side
128,695,561,627.45x = 12,578,325,203,954,706,677,760 - Step 5: Solve for x
x = 12,578,325,203,954,706,677,760/128,695,561,627.45 - Step 6: Final answer
x = 97,737,055,146.99
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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.