Finding the Fourth Proportional to 239,219,195.70, 358,828,793.55 and 118,286,843.70
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Solution
The fourth proportional to 239,219,195.70, 358,828,793.55 and 118,286,843.70 is: 177,430,265.55
Step by Step Solution
- Step 1: Write the proportion equation
239,219,195.70 : 358,828,793.55 = 118,286,843.70 : x - Step 2: Convert to fraction form
239,219,195.70/358,828,793.55 = 118,286,843.70/x - Step 3: Cross multiply
239,219,195.70x = 358,828,793.55 × 118,286,843.70 - Step 4: Simplify right side
239,219,195.70x = 42,444,725,417,708,424 - Step 5: Solve for x
x = 42,444,725,417,708,424/239,219,195.70 - Step 6: Final answer
x = 177,430,265.55
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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.