Finding the Fourth Proportional to 149,135,717.88, 205,813,675.92 and 83,056,215.92
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Solution
The fourth proportional to 149,135,717.88, 205,813,675.92 and 83,056,215.92 is: 114,621,134.02
Step by Step Solution
- Step 1: Write the proportion equation
149,135,717.88 : 205,813,675.92 = 83,056,215.92 : x - Step 2: Convert to fraction form
149,135,717.88/205,813,675.92 = 83,056,215.92/x - Step 3: Cross multiply
149,135,717.88x = 205,813,675.92 × 83,056,215.92 - Step 4: Simplify right side
149,135,717.88x = 17,094,105,106,500,424 - Step 5: Solve for x
x = 17,094,105,106,500,424/149,135,717.88 - Step 6: Final answer
x = 114,621,134.02
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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.