Finding the Fourth Proportional to 69,625,462.12, 104,438,173.98 and 21,756,406.12
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Solution
The fourth proportional to 69,625,462.12, 104,438,173.98 and 21,756,406.12 is: 32,634,603.18
Step by Step Solution
- Step 1: Write the proportion equation
69,625,462.12 : 104,438,173.98 = 21,756,406.12 : x - Step 2: Convert to fraction form
69,625,462.12/104,438,173.98 = 21,756,406.12/x - Step 3: Cross multiply
69,625,462.12x = 104,438,173.98 × 21,756,406.12 - Step 4: Simplify right side
69,625,462.12x = 2,272,199,327,540,097 - Step 5: Solve for x
x = 2,272,199,327,540,097/69,625,462.12 - Step 6: Final answer
x = 32,634,603.18
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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.