Finding the Fourth Proportional to 207,381,649.64, 286,195,370.84 and 119,275,671.92
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Solution
The fourth proportional to 207,381,649.64, 286,195,370.84 and 119,275,671.92 is: 164,605,427.80
Step by Step Solution
- Step 1: Write the proportion equation
207,381,649.64 : 286,195,370.84 = 119,275,671.92 : x - Step 2: Convert to fraction form
207,381,649.64/286,195,370.84 = 119,275,671.92/x - Step 3: Cross multiply
207,381,649.64x = 286,195,370.84 × 119,275,671.92 - Step 4: Simplify right side
207,381,649.64x = 34,136,145,157,334,572 - Step 5: Solve for x
x = 34,136,145,157,334,572/207,381,649.64 - Step 6: Final answer
x = 164,605,427.80
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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.