Finding the Fourth Proportional to 114,660,704.18, 158,249,742.84 and 67,622,947.70
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Solution
The fourth proportional to 114,660,704.18, 158,249,742.84 and 67,622,947.70 is: 93,330,266.55
Step by Step Solution
- Step 1: Write the proportion equation
114,660,704.18 : 158,249,742.84 = 67,622,947.70 : x - Step 2: Convert to fraction form
114,660,704.18/158,249,742.84 = 67,622,947.70/x - Step 3: Cross multiply
114,660,704.18x = 158,249,742.84 × 67,622,947.70 - Step 4: Simplify right side
114,660,704.18x = 10,701,314,083,607,770 - Step 5: Solve for x
x = 10,701,314,083,607,770/114,660,704.18 - Step 6: Final answer
x = 93,330,266.55
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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.