Finding the Fourth Proportional to 207,234,552.46, 286,008,762.63 and 117,948,206.48
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Solution
The fourth proportional to 207,234,552.46, 286,008,762.63 and 117,948,206.48 is: 162,782,799.43
Step by Step Solution
- Step 1: Write the proportion equation
207,234,552.46 : 286,008,762.63 = 117,948,206.48 : x - Step 2: Convert to fraction form
207,234,552.46/286,008,762.63 = 117,948,206.48/x - Step 3: Cross multiply
207,234,552.46x = 286,008,762.63 × 117,948,206.48 - Step 4: Simplify right side
207,234,552.46x = 33,734,220,588,409,580 - Step 5: Solve for x
x = 33,734,220,588,409,580/207,234,552.46 - Step 6: Final answer
x = 162,782,799.43
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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.