Finding the Fourth Proportional to 89,905,056.06, 124,068,977.57 and 48,651,948.44
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Solution
The fourth proportional to 89,905,056.06, 124,068,977.57 and 48,651,948.44 is: 67,139,688.96
Step by Step Solution
- Step 1: Write the proportion equation
89,905,056.06 : 124,068,977.57 = 48,651,948.44 : x - Step 2: Convert to fraction form
89,905,056.06/124,068,977.57 = 48,651,948.44/x - Step 3: Cross multiply
89,905,056.06x = 124,068,977.57 × 48,651,948.44 - Step 4: Simplify right side
89,905,056.06x = 6,036,197,499,705,700 - Step 5: Solve for x
x = 6,036,197,499,705,700/89,905,056.06 - Step 6: Final answer
x = 67,139,688.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.