Finding the Fourth Proportional to 85,637,971.44, 118,177,394.98 and 46,478,960.08
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Solution
The fourth proportional to 85,637,971.44, 118,177,394.98 and 46,478,960.08 is: 64,139,333.65
Step by Step Solution
- Step 1: Write the proportion equation
85,637,971.44 : 118,177,394.98 = 46,478,960.08 : x - Step 2: Convert to fraction form
85,637,971.44/118,177,394.98 = 46,478,960.08/x - Step 3: Cross multiply
85,637,971.44x = 118,177,394.98 × 46,478,960.08 - Step 4: Simplify right side
85,637,971.44x = 5,492,762,423,633,812 - Step 5: Solve for x
x = 5,492,762,423,633,812/85,637,971.44 - Step 6: Final answer
x = 64,139,333.65
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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.