Finding the Fourth Proportional to 160,380,711.63, 221,325,474.11 and 87,041,853.63
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Solution
The fourth proportional to 160,380,711.63, 221,325,474.11 and 87,041,853.63 is: 120,117,807.97
Step by Step Solution
- Step 1: Write the proportion equation
160,380,711.63 : 221,325,474.11 = 87,041,853.63 : x - Step 2: Convert to fraction form
160,380,711.63/221,325,474.11 = 87,041,853.63/x - Step 3: Cross multiply
160,380,711.63x = 221,325,474.11 × 87,041,853.63 - Step 4: Simplify right side
160,380,711.63x = 19,264,579,521,637,764 - Step 5: Solve for x
x = 19,264,579,521,637,764/160,380,711.63 - Step 6: Final answer
x = 120,117,807.97
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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.