Finding the Fourth Proportional to 63,163,610.15, 87,117,786.11 and 54,357,706.90
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Solution
The fourth proportional to 63,163,610.15, 87,117,786.11 and 54,357,706.90 is: 74,972,330.92
Step by Step Solution
- Step 1: Write the proportion equation
63,163,610.15 : 87,117,786.11 = 54,357,706.90 : x - Step 2: Convert to fraction form
63,163,610.15/87,117,786.11 = 54,357,706.90/x - Step 3: Cross multiply
63,163,610.15x = 87,117,786.11 × 54,357,706.90 - Step 4: Simplify right side
63,163,610.15x = 4,735,523,082,436,894 - Step 5: Solve for x
x = 4,735,523,082,436,894/63,163,610.15 - Step 6: Final answer
x = 74,972,330.92
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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.