Finding the Fourth Proportional to 69,026,486.96, 95,258,545.80 and 38,088,648.56
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Solution
The fourth proportional to 69,026,486.96, 95,258,545.80 and 38,088,648.56 is: 52,563,435.18
Step by Step Solution
- Step 1: Write the proportion equation
69,026,486.96 : 95,258,545.80 = 38,088,648.56 : x - Step 2: Convert to fraction form
69,026,486.96/95,258,545.80 = 38,088,648.56/x - Step 3: Cross multiply
69,026,486.96x = 95,258,545.80 × 38,088,648.56 - Step 4: Simplify right side
69,026,486.96x = 3,628,269,273,312,864 - Step 5: Solve for x
x = 3,628,269,273,312,864/69,026,486.96 - Step 6: Final answer
x = 52,563,435.18
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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.