Finding the Fourth Proportional to 138,260,657.09, 207,246,119.21 and 64,423,562.22
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Solution
The fourth proportional to 138,260,657.09, 207,246,119.21 and 64,423,562.22 is: 96,567,841.76
Step by Step Solution
- Step 1: Write the proportion equation
138,260,657.09 : 207,246,119.21 = 64,423,562.22 : x - Step 2: Convert to fraction form
138,260,657.09/207,246,119.21 = 64,423,562.22/x - Step 3: Cross multiply
138,260,657.09x = 207,246,119.21 × 64,423,562.22 - Step 4: Simplify right side
138,260,657.09x = 13,351,533,255,456,856 - Step 5: Solve for x
x = 13,351,533,255,456,856/138,260,657.09 - Step 6: Final answer
x = 96,567,841.76
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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.