Finding the Fourth Proportional to 42,759,612.79, 64,135,005.73 and 29,014,824.24
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Solution
The fourth proportional to 42,759,612.79, 64,135,005.73 and 29,014,824.24 is: 43,519,241.58
Step by Step Solution
- Step 1: Write the proportion equation
42,759,612.79 : 64,135,005.73 = 29,014,824.24 : x - Step 2: Convert to fraction form
42,759,612.79/64,135,005.73 = 29,014,824.24/x - Step 3: Cross multiply
42,759,612.79x = 64,135,005.73 × 29,014,824.24 - Step 4: Simplify right side
42,759,612.79x = 1,860,865,918,814,805.75 - Step 5: Solve for x
x = 1,860,865,918,814,805.75/42,759,612.79 - Step 6: Final answer
x = 43,519,241.58
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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.