Finding the Fourth Proportional to 127,315,811.80, 190,973,717.70 and 59,291,363.80
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Solution
The fourth proportional to 127,315,811.80, 190,973,717.70 and 59,291,363.80 is: 88,937,045.70
Step by Step Solution
- Step 1: Write the proportion equation
127,315,811.80 : 190,973,717.70 = 59,291,363.80 : x - Step 2: Convert to fraction form
127,315,811.80/190,973,717.70 = 59,291,363.80/x - Step 3: Cross multiply
127,315,811.80x = 190,973,717.70 × 59,291,363.80 - Step 4: Simplify right side
127,315,811.80x = 11,323,092,172,389,198 - Step 5: Solve for x
x = 11,323,092,172,389,198/127,315,811.80 - Step 6: Final answer
x = 88,937,045.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.