Finding the Fourth Proportional to 232,831,972.80, 349,188,388.56 and 69,031,427.04
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Solution
The fourth proportional to 232,831,972.80, 349,188,388.56 and 69,031,427.04 is: 103,529,478.70
Step by Step Solution
- Step 1: Write the proportion equation
232,831,972.80 : 349,188,388.56 = 69,031,427.04 : x - Step 2: Convert to fraction form
232,831,972.80/349,188,388.56 = 69,031,427.04/x - Step 3: Cross multiply
232,831,972.80x = 349,188,388.56 × 69,031,427.04 - Step 4: Simplify right side
232,831,972.80x = 24,104,972,768,094,812 - Step 5: Solve for x
x = 24,104,972,768,094,812/232,831,972.80 - Step 6: Final answer
x = 103,529,478.70
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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.