Finding the Fourth Proportional to 73,872,352.70, 110,808,529.05 and 43,261,351.10
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Solution
The fourth proportional to 73,872,352.70, 110,808,529.05 and 43,261,351.10 is: 64,892,026.65
Step by Step Solution
- Step 1: Write the proportion equation
73,872,352.70 : 110,808,529.05 = 43,261,351.10 : x - Step 2: Convert to fraction form
73,872,352.70/110,808,529.05 = 43,261,351.10/x - Step 3: Cross multiply
73,872,352.70x = 110,808,529.05 × 43,261,351.10 - Step 4: Simplify right side
73,872,352.70x = 4,793,726,680,106,599 - Step 5: Solve for x
x = 4,793,726,680,106,599/73,872,352.70 - Step 6: Final answer
x = 64,892,026.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.