Finding the Fourth Proportional to 197,646,714.49, 272,593,427.57 and 173,753,253.91
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Solution
The fourth proportional to 197,646,714.49, 272,593,427.57 and 173,753,253.91 is: 239,639,678.08
Step by Step Solution
- Step 1: Write the proportion equation
197,646,714.49 : 272,593,427.57 = 173,753,253.91 : x - Step 2: Convert to fraction form
197,646,714.49/272,593,427.57 = 173,753,253.91/x - Step 3: Cross multiply
197,646,714.49x = 272,593,427.57 × 173,753,253.91 - Step 4: Simplify right side
197,646,714.49x = 47,363,995,034,767,400 - Step 5: Solve for x
x = 47,363,995,034,767,400/197,646,714.49 - Step 6: Final answer
x = 239,639,678.08
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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.