Finding the Fourth Proportional to 197,646,718.99, 272,593,433.78 and 173,753,258.41
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Solution
The fourth proportional to 197,646,718.99, 272,593,433.78 and 173,753,258.41 is: 239,639,684.29
Step by Step Solution
- Step 1: Write the proportion equation
197,646,718.99 : 272,593,433.78 = 173,753,258.41 : x - Step 2: Convert to fraction form
197,646,718.99/272,593,433.78 = 173,753,258.41/x - Step 3: Cross multiply
197,646,718.99x = 272,593,433.78 × 173,753,258.41 - Step 4: Simplify right side
197,646,718.99x = 47,363,997,340,445,560 - Step 5: Solve for x
x = 47,363,997,340,445,560/197,646,718.99 - Step 6: Final answer
x = 239,639,684.29
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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.