Finding the Fourth Proportional to 68,965,953.24, 95,177,263.56 and 38,026,026.84
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Solution
The fourth proportional to 68,965,953.24, 95,177,263.56 and 38,026,026.84 is: 52,478,259.32
Step by Step Solution
- Step 1: Write the proportion equation
68,965,953.24 : 95,177,263.56 = 38,026,026.84 : x - Step 2: Convert to fraction form
68,965,953.24/95,177,263.56 = 38,026,026.84/x - Step 3: Cross multiply
68,965,953.24x = 95,177,263.56 × 38,026,026.84 - Step 4: Simplify right side
68,965,953.24x = 3,619,213,178,690,314.50 - Step 5: Solve for x
x = 3,619,213,178,690,314.50/68,965,953.24 - Step 6: Final answer
x = 52,478,259.32
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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.