Finding the Fourth Proportional to 65,139,518.80, 97,709,278.20 and 22,589,246.80
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Solution
The fourth proportional to 65,139,518.80, 97,709,278.20 and 22,589,246.80 is: 33,883,870.20
Step by Step Solution
- Step 1: Write the proportion equation
65,139,518.80 : 97,709,278.20 = 22,589,246.80 : x - Step 2: Convert to fraction form
65,139,518.80/97,709,278.20 = 22,589,246.80/x - Step 3: Cross multiply
65,139,518.80x = 97,709,278.20 × 22,589,246.80 - Step 4: Simplify right side
65,139,518.80x = 2,207,178,999,909,660 - Step 5: Solve for x
x = 2,207,178,999,909,660/65,139,518.80 - Step 6: Final answer
x = 33,883,870.20
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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.