Finding the Fourth Proportional to 99,660,219.14, 137,543,523.59 and 57,835,303.97
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Solution
The fourth proportional to 99,660,219.14, 137,543,523.59 and 57,835,303.97 is: 79,819,927.79
Step by Step Solution
- Step 1: Write the proportion equation
99,660,219.14 : 137,543,523.59 = 57,835,303.97 : x - Step 2: Convert to fraction form
99,660,219.14/137,543,523.59 = 57,835,303.97/x - Step 3: Cross multiply
99,660,219.14x = 137,543,523.59 × 57,835,303.97 - Step 4: Simplify right side
99,660,219.14x = 7,954,871,495,389,387 - Step 5: Solve for x
x = 7,954,871,495,389,387/99,660,219.14 - Step 6: Final answer
x = 79,819,927.79
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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.