Finding the Fourth Proportional to 219,511,768.71, 302,839,831.58 and 126,674,337.99
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Solution
The fourth proportional to 219,511,768.71, 302,839,831.58 and 126,674,337.99 is: 174,760,721.97
Step by Step Solution
- Step 1: Write the proportion equation
219,511,768.71 : 302,839,831.58 = 126,674,337.99 : x - Step 2: Convert to fraction form
219,511,768.71/302,839,831.58 = 126,674,337.99/x - Step 3: Cross multiply
219,511,768.71x = 302,839,831.58 × 126,674,337.99 - Step 4: Simplify right side
219,511,768.71x = 38,362,035,181,766,224 - Step 5: Solve for x
x = 38,362,035,181,766,224/219,511,768.71 - Step 6: Final answer
x = 174,760,721.97
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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.