Finding the Fourth Proportional to 65,204,645.80, 97,806,968.70 and 58,710,130.60
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Solution
The fourth proportional to 65,204,645.80, 97,806,968.70 and 58,710,130.60 is: 88,065,195.90
Step by Step Solution
- Step 1: Write the proportion equation
65,204,645.80 : 97,806,968.70 = 58,710,130.60 : x - Step 2: Convert to fraction form
65,204,645.80/97,806,968.70 = 58,710,130.60/x - Step 3: Cross multiply
65,204,645.80x = 97,806,968.70 × 58,710,130.60 - Step 4: Simplify right side
65,204,645.80x = 5,742,259,905,967,113 - Step 5: Solve for x
x = 5,742,259,905,967,113/65,204,645.80 - Step 6: Final answer
x = 88,065,195.90
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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.