Finding the Fourth Proportional to 112,181,513.08, 168,331,515.45 and 79,602,599.07
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Solution
The fourth proportional to 112,181,513.08, 168,331,515.45 and 79,602,599.07 is: 119,445,938.71
Step by Step Solution
- Step 1: Write the proportion equation
112,181,513.08 : 168,331,515.45 = 79,602,599.07 : x - Step 2: Convert to fraction form
112,181,513.08/168,331,515.45 = 79,602,599.07/x - Step 3: Cross multiply
112,181,513.08x = 168,331,515.45 × 79,602,599.07 - Step 4: Simplify right side
112,181,513.08x = 13,399,626,135,211,858 - Step 5: Solve for x
x = 13,399,626,135,211,858/112,181,513.08 - Step 6: Final answer
x = 119,445,938.71
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.