Finding the Fourth Proportional to 84,373,232.96, 116,430,347.12 and 47,196,335.18
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Solution
The fourth proportional to 84,373,232.96, 116,430,347.12 and 47,196,335.18 is: 65,128,305.45
Step by Step Solution
- Step 1: Write the proportion equation
84,373,232.96 : 116,430,347.12 = 47,196,335.18 : x - Step 2: Convert to fraction form
84,373,232.96/116,430,347.12 = 47,196,335.18/x - Step 3: Cross multiply
84,373,232.96x = 116,430,347.12 × 47,196,335.18 - Step 4: Simplify right side
84,373,232.96x = 5,495,085,687,799,268 - Step 5: Solve for x
x = 5,495,085,687,799,268/84,373,232.96 - Step 6: Final answer
x = 65,128,305.45
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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.