Finding the Fourth Proportional to 234,976,419.99, 324,276,210.78 and 140,905,882.49
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Solution
The fourth proportional to 234,976,419.99, 324,276,210.78 and 140,905,882.49 is: 194,455,365.57
Step by Step Solution
- Step 1: Write the proportion equation
234,976,419.99 : 324,276,210.78 = 140,905,882.49 : x - Step 2: Convert to fraction form
234,976,419.99/324,276,210.78 = 140,905,882.49/x - Step 3: Cross multiply
234,976,419.99x = 324,276,210.78 × 140,905,882.49 - Step 4: Simplify right side
234,976,419.99x = 45,692,425,648,847,768 - Step 5: Solve for x
x = 45,692,425,648,847,768/234,976,419.99 - Step 6: Final answer
x = 194,455,365.57
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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.