Finding the Fourth Proportional to 69,962,027.68, 96,510,902.16 and 56,923,852.96
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Solution
The fourth proportional to 69,962,027.68, 96,510,902.16 and 56,923,852.96 is: 78,525,059.75
Step by Step Solution
- Step 1: Write the proportion equation
69,962,027.68 : 96,510,902.16 = 56,923,852.96 : x - Step 2: Convert to fraction form
69,962,027.68/96,510,902.16 = 56,923,852.96/x - Step 3: Cross multiply
69,962,027.68x = 96,510,902.16 × 56,923,852.96 - Step 4: Simplify right side
69,962,027.68x = 5,493,772,403,592,786 - Step 5: Solve for x
x = 5,493,772,403,592,786/69,962,027.68 - Step 6: Final answer
x = 78,525,059.75
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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.