Finding the Fourth Proportional to 168,258,243.71, 232,235,118.34 and 98,666,044.76
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Solution
The fourth proportional to 168,258,243.71, 232,235,118.34 and 98,666,044.76 is: 136,181,859.95
Step by Step Solution
- Step 1: Write the proportion equation
168,258,243.71 : 232,235,118.34 = 98,666,044.76 : x - Step 2: Convert to fraction form
168,258,243.71/232,235,118.34 = 98,666,044.76/x - Step 3: Cross multiply
168,258,243.71x = 232,235,118.34 × 98,666,044.76 - Step 4: Simplify right side
168,258,243.71x = 22,913,720,581,312,260 - Step 5: Solve for x
x = 22,913,720,581,312,260/168,258,243.71 - Step 6: Final answer
x = 136,181,859.95
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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.