Finding the Fourth Proportional to 205,106,321.18, 283,001,475.29 and 121,432,904.03
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Solution
The fourth proportional to 205,106,321.18, 283,001,475.29 and 121,432,904.03 is: 167,550,618.58
Step by Step Solution
- Step 1: Write the proportion equation
205,106,321.18 : 283,001,475.29 = 121,432,904.03 : x - Step 2: Convert to fraction form
205,106,321.18/283,001,475.29 = 121,432,904.03/x - Step 3: Cross multiply
205,106,321.18x = 283,001,475.29 × 121,432,904.03 - Step 4: Simplify right side
205,106,321.18x = 34,365,690,987,216,820 - Step 5: Solve for x
x = 34,365,690,987,216,820/205,106,321.18 - Step 6: Final answer
x = 167,550,618.58
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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.