Finding the Fourth Proportional to 87,734,935.95, 121,077,994.02 and 48,576,712.41
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Solution
The fourth proportional to 87,734,935.95, 121,077,994.02 and 48,576,712.41 is: 67,037,957.35
Step by Step Solution
- Step 1: Write the proportion equation
87,734,935.95 : 121,077,994.02 = 48,576,712.41 : x - Step 2: Convert to fraction form
87,734,935.95/121,077,994.02 = 48,576,712.41/x - Step 3: Cross multiply
87,734,935.95x = 121,077,994.02 × 48,576,712.41 - Step 4: Simplify right side
87,734,935.95x = 5,881,570,894,689,239 - Step 5: Solve for x
x = 5,881,570,894,689,239/87,734,935.95 - Step 6: Final answer
x = 67,037,957.35
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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.