Finding the Fourth Proportional to 342,845,622.12, 473,124,356.70 and 186,213,850.08
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Solution
The fourth proportional to 342,845,622.12, 473,124,356.70 and 186,213,850.08 is: 256,973,699.95
Step by Step Solution
- Step 1: Write the proportion equation
342,845,622.12 : 473,124,356.70 = 186,213,850.08 : x - Step 2: Convert to fraction form
342,845,622.12/473,124,356.70 = 186,213,850.08/x - Step 3: Cross multiply
342,845,622.12x = 473,124,356.70 × 186,213,850.08 - Step 4: Simplify right side
342,845,622.12x = 88,102,308,027,730,240 - Step 5: Solve for x
x = 88,102,308,027,730,240/342,845,622.12 - Step 6: Final answer
x = 256,973,699.95
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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.