Finding the Fourth Proportional to 239,089,145.28, 329,944,862.79 and 134,657,445.84
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Solution
The fourth proportional to 239,089,145.28, 329,944,862.79 and 134,657,445.84 is: 185,828,312.86
Step by Step Solution
- Step 1: Write the proportion equation
239,089,145.28 : 329,944,862.79 = 134,657,445.84 : x - Step 2: Convert to fraction form
239,089,145.28/329,944,862.79 = 134,657,445.84/x - Step 3: Cross multiply
239,089,145.28x = 329,944,862.79 × 134,657,445.84 - Step 4: Simplify right side
239,089,145.28x = 44,429,532,491,330,664 - Step 5: Solve for x
x = 44,429,532,491,330,664/239,089,145.28 - Step 6: Final answer
x = 185,828,312.86
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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.