Finding the Fourth Proportional to 307,029,352.53, 423,905,025.73 and 181,621,835.99
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Solution
The fourth proportional to 307,029,352.53, 423,905,025.73 and 181,621,835.99 is: 250,759,116.10
Step by Step Solution
- Step 1: Write the proportion equation
307,029,352.53 : 423,905,025.73 = 181,621,835.99 : x - Step 2: Convert to fraction form
307,029,352.53/423,905,025.73 = 181,621,835.99/x - Step 3: Cross multiply
307,029,352.53x = 423,905,025.73 × 181,621,835.99 - Step 4: Simplify right side
307,029,352.53x = 76,990,409,057,828,304 - Step 5: Solve for x
x = 76,990,409,057,828,304/307,029,352.53 - Step 6: Final answer
x = 250,759,116.10
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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.