Finding the Fourth Proportional to 205,106,324.68, 283,001,480.11 and 121,432,907.53
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Solution
The fourth proportional to 205,106,324.68, 283,001,480.11 and 121,432,907.53 is: 167,550,623.41
Step by Step Solution
- Step 1: Write the proportion equation
205,106,324.68 : 283,001,480.11 = 121,432,907.53 : x - Step 2: Convert to fraction form
205,106,324.68/283,001,480.11 = 121,432,907.53/x - Step 3: Cross multiply
205,106,324.68x = 283,001,480.11 × 121,432,907.53 - Step 4: Simplify right side
205,106,324.68x = 34,365,692,565,050,768 - Step 5: Solve for x
x = 34,365,692,565,050,768/205,106,324.68 - Step 6: Final answer
x = 167,550,623.41
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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.