Finding the Fourth Proportional to 112,181,512.08, 168,331,513.95 and 79,602,598.07
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Solution
The fourth proportional to 112,181,512.08, 168,331,513.95 and 79,602,598.07 is: 119,445,937.20
Step by Step Solution
- Step 1: Write the proportion equation
112,181,512.08 : 168,331,513.95 = 79,602,598.07 : x - Step 2: Convert to fraction form
112,181,512.08/168,331,513.95 = 79,602,598.07/x - Step 3: Cross multiply
112,181,512.08x = 168,331,513.95 × 79,602,598.07 - Step 4: Simplify right side
112,181,512.08x = 13,399,625,846,634,790 - Step 5: Solve for x
x = 13,399,625,846,634,790/112,181,512.08 - Step 6: Final answer
x = 119,445,937.20
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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.