Finding the Fourth Proportional to 85,341,968.40, 117,772,209.53 and 46,183,734.75
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Solution
The fourth proportional to 85,341,968.40, 117,772,209.53 and 46,183,734.75 is: 63,733,712.59
Step by Step Solution
- Step 1: Write the proportion equation
85,341,968.40 : 117,772,209.53 = 46,183,734.75 : x - Step 2: Convert to fraction form
85,341,968.40/117,772,209.53 = 46,183,734.75/x - Step 3: Cross multiply
85,341,968.40x = 117,772,209.53 × 46,183,734.75 - Step 4: Simplify right side
85,341,968.40x = 5,439,160,485,854,942 - Step 5: Solve for x
x = 5,439,160,485,854,942/85,341,968.40 - Step 6: Final answer
x = 63,733,712.59
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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.