Finding the Fourth Proportional to 302,079,423.04, 416,901,836.64 and 176,669,961.28
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Solution
The fourth proportional to 302,079,423.04, 416,901,836.64 and 176,669,961.28 is: 243,823,397.82
Step by Step Solution
- Step 1: Write the proportion equation
302,079,423.04 : 416,901,836.64 = 176,669,961.28 : x - Step 2: Convert to fraction form
302,079,423.04/416,901,836.64 = 176,669,961.28/x - Step 3: Cross multiply
302,079,423.04x = 416,901,836.64 × 176,669,961.28 - Step 4: Simplify right side
302,079,423.04x = 73,654,031,336,749,680 - Step 5: Solve for x
x = 73,654,031,336,749,680/302,079,423.04 - Step 6: Final answer
x = 243,823,397.82
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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.