Finding the Fourth Proportional to 79,255,921.60, 109,373,964.06 and 44,447,864.73
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Solution
The fourth proportional to 79,255,921.60, 109,373,964.06 and 44,447,864.73 is: 61,338,497.63
Step by Step Solution
- Step 1: Write the proportion equation
79,255,921.60 : 109,373,964.06 = 44,447,864.73 : x - Step 2: Convert to fraction form
79,255,921.60/109,373,964.06 = 44,447,864.73/x - Step 3: Cross multiply
79,255,921.60x = 109,373,964.06 × 44,447,864.73 - Step 4: Simplify right side
79,255,921.60x = 4,861,439,158,975,892 - Step 5: Solve for x
x = 4,861,439,158,975,892/79,255,921.60 - Step 6: Final answer
x = 61,338,497.63
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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.