Finding the Fourth Proportional to 217,230,101.08, 299,775,431.86 and 118,110,847.08
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Solution
The fourth proportional to 217,230,101.08, 299,775,431.86 and 118,110,847.08 is: 162,991,823.02
Step by Step Solution
- Step 1: Write the proportion equation
217,230,101.08 : 299,775,431.86 = 118,110,847.08 : x - Step 2: Convert to fraction form
217,230,101.08/299,775,431.86 = 118,110,847.08/x - Step 3: Cross multiply
217,230,101.08x = 299,775,431.86 × 118,110,847.08 - Step 4: Simplify right side
217,230,101.08x = 35,406,730,190,757,420 - Step 5: Solve for x
x = 35,406,730,190,757,420/217,230,101.08 - Step 6: Final answer
x = 162,991,823.02
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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.