Finding the Fourth Proportional to 303,563,259.99, 418,917,434.04 and 164,334,017.25
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Solution
The fourth proportional to 303,563,259.99, 418,917,434.04 and 164,334,017.25 is: 226,781,017.02
Step by Step Solution
- Step 1: Write the proportion equation
303,563,259.99 : 418,917,434.04 = 164,334,017.25 : x - Step 2: Convert to fraction form
303,563,259.99/418,917,434.04 = 164,334,017.25/x - Step 3: Cross multiply
303,563,259.99x = 418,917,434.04 × 164,334,017.25 - Step 4: Simplify right side
303,563,259.99x = 68,842,384,831,855,104 - Step 5: Solve for x
x = 68,842,384,831,855,104/303,563,259.99 - Step 6: Final answer
x = 226,781,017.02
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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.