Finding the Fourth Proportional to 128,860,343.84, 177,829,414.83 and 70,125,484.52
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Solution
The fourth proportional to 128,860,343.84, 177,829,414.83 and 70,125,484.52 is: 96,774,333.40
Step by Step Solution
- Step 1: Write the proportion equation
128,860,343.84 : 177,829,414.83 = 70,125,484.52 : x - Step 2: Convert to fraction form
128,860,343.84/177,829,414.83 = 70,125,484.52/x - Step 3: Cross multiply
128,860,343.84x = 177,829,414.83 × 70,125,484.52 - Step 4: Simplify right side
128,860,343.84x = 12,470,373,876,861,824 - Step 5: Solve for x
x = 12,470,373,876,861,824/128,860,343.84 - Step 6: Final answer
x = 96,774,333.40
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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.