Finding the Fourth Proportional to 85,637,972.44, 118,177,396.36 and 46,478,961.08
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Solution
The fourth proportional to 85,637,972.44, 118,177,396.36 and 46,478,961.08 is: 64,139,335.03
Step by Step Solution
- Step 1: Write the proportion equation
85,637,972.44 : 118,177,396.36 = 46,478,961.08 : x - Step 2: Convert to fraction form
85,637,972.44/118,177,396.36 = 46,478,961.08/x - Step 3: Cross multiply
85,637,972.44x = 118,177,396.36 × 46,478,961.08 - Step 4: Simplify right side
85,637,972.44x = 5,492,762,605,952,173 - Step 5: Solve for x
x = 5,492,762,605,952,173/85,637,972.44 - Step 6: Final answer
x = 64,139,335.03
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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.