Finding the Fourth Proportional to 79,430,767.04, 109,623,334.38 and 48,086,086.48
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Solution
The fourth proportional to 79,430,767.04, 109,623,334.38 and 48,086,086.48 is: 66,364,172.65
Step by Step Solution
- Step 1: Write the proportion equation
79,430,767.04 : 109,623,334.38 = 48,086,086.48 : x - Step 2: Convert to fraction form
79,430,767.04/109,623,334.38 = 48,086,086.48/x - Step 3: Cross multiply
79,430,767.04x = 109,623,334.38 × 48,086,086.48 - Step 4: Simplify right side
79,430,767.04x = 5,271,357,137,222,637 - Step 5: Solve for x
x = 5,271,357,137,222,637/79,430,767.04 - Step 6: Final answer
x = 66,364,172.65
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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.