Finding the Fourth Proportional to 232,831,976.80, 349,188,394.56 and 69,031,431.04
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Solution
The fourth proportional to 232,831,976.80, 349,188,394.56 and 69,031,431.04 is: 103,529,484.70
Step by Step Solution
- Step 1: Write the proportion equation
232,831,976.80 : 349,188,394.56 = 69,031,431.04 : x - Step 2: Convert to fraction form
232,831,976.80/349,188,394.56 = 69,031,431.04/x - Step 3: Cross multiply
232,831,976.80x = 349,188,394.56 × 69,031,431.04 - Step 4: Simplify right side
232,831,976.80x = 24,104,974,579,036,952 - Step 5: Solve for x
x = 24,104,974,579,036,952/232,831,976.80 - Step 6: Final answer
x = 103,529,484.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.