Finding the Fourth Proportional to 139,280,431.08, 192,004,422.08 and 97,334,266.80
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Solution
The fourth proportional to 139,280,431.08, 192,004,422.08 and 97,334,266.80 is: 134,179,722.88
Step by Step Solution
- Step 1: Write the proportion equation
139,280,431.08 : 192,004,422.08 = 97,334,266.80 : x - Step 2: Convert to fraction form
139,280,431.08/192,004,422.08 = 97,334,266.80/x - Step 3: Cross multiply
139,280,431.08x = 192,004,422.08 × 97,334,266.80 - Step 4: Simplify right side
139,280,431.08x = 18,688,609,645,514,532 - Step 5: Solve for x
x = 18,688,609,645,514,532/139,280,431.08 - Step 6: Final answer
x = 134,179,722.88
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1.5x scale
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.