Finding the Fourth Proportional to 99,832,729.42, 137,756,504.28 and 58,564,564.30
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Solution
The fourth proportional to 99,832,729.42, 137,756,504.28 and 58,564,564.30 is: 80,811,670.68
Step by Step Solution
- Step 1: Write the proportion equation
99,832,729.42 : 137,756,504.28 = 58,564,564.30 : x - Step 2: Convert to fraction form
99,832,729.42/137,756,504.28 = 58,564,564.30/x - Step 3: Cross multiply
99,832,729.42x = 137,756,504.28 × 58,564,564.30 - Step 4: Simplify right side
99,832,729.42x = 8,067,649,652,649,285 - Step 5: Solve for x
x = 8,067,649,652,649,285/99,832,729.42 - Step 6: Final answer
x = 80,811,670.68
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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.