Finding the Fourth Proportional to 65,212,386.40, 97,830,389.40 and 32,782,675.60
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Solution
The fourth proportional to 65,212,386.40, 97,830,389.40 and 32,782,675.60 is: 49,179,950.26
Step by Step Solution
- Step 1: Write the proportion equation
65,212,386.40 : 97,830,389.40 = 32,782,675.60 : x - Step 2: Convert to fraction form
65,212,386.40/97,830,389.40 = 32,782,675.60/x - Step 3: Cross multiply
65,212,386.40x = 97,830,389.40 × 32,782,675.60 - Step 4: Simplify right side
65,212,386.40x = 3,207,141,919,521,879 - Step 5: Solve for x
x = 3,207,141,919,521,879/65,212,386.40 - Step 6: Final answer
x = 49,179,950.26
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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.