Finding the Fourth Proportional to 68,566,358.80, 102,864,780.23 and 32,155,342.99
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Solution
The fourth proportional to 68,566,358.80, 102,864,780.23 and 32,155,342.99 is: 48,240,162.49
Step by Step Solution
- Step 1: Write the proportion equation
68,566,358.80 : 102,864,780.23 = 32,155,342.99 : x - Step 2: Convert to fraction form
68,566,358.80/102,864,780.23 = 32,155,342.99/x - Step 3: Cross multiply
68,566,358.80x = 102,864,780.23 × 32,155,342.99 - Step 4: Simplify right side
68,566,358.80x = 3,307,652,289,886,621 - Step 5: Solve for x
x = 3,307,652,289,886,621/68,566,358.80 - Step 6: Final answer
x = 48,240,162.49
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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.