Finding the Fourth Proportional to 239,210,324.34, 330,110,470.05 and 129,202,037.34
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Solution
The fourth proportional to 239,210,324.34, 330,110,470.05 and 129,202,037.34 is: 178,298,931.68
Step by Step Solution
- Step 1: Write the proportion equation
239,210,324.34 : 330,110,470.05 = 129,202,037.34 : x - Step 2: Convert to fraction form
239,210,324.34/330,110,470.05 = 129,202,037.34/x - Step 3: Cross multiply
239,210,324.34x = 330,110,470.05 × 129,202,037.34 - Step 4: Simplify right side
239,210,324.34x = 42,650,945,277,725,056 - Step 5: Solve for x
x = 42,650,945,277,725,056/239,210,324.34 - Step 6: Final answer
x = 178,298,931.68
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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.