Finding the Fourth Proportional to 217,356,339.24, 300,089,434.50 and 134,937,582.12
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Solution
The fourth proportional to 217,356,339.24, 300,089,434.50 and 134,937,582.12 is: 186,299,340.76
Step by Step Solution
- Step 1: Write the proportion equation
217,356,339.24 : 300,089,434.50 = 134,937,582.12 : x - Step 2: Convert to fraction form
217,356,339.24/300,089,434.50 = 134,937,582.12/x - Step 3: Cross multiply
217,356,339.24x = 300,089,434.50 × 134,937,582.12 - Step 4: Simplify right side
217,356,339.24x = 40,493,342,711,188,112 - Step 5: Solve for x
x = 40,493,342,711,188,112/217,356,339.24 - Step 6: Final answer
x = 186,299,340.76
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1.5x scale
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.