Finding the Fourth Proportional to 207,450,511.78, 286,298,025.67 and 118,146,232.00
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Solution
The fourth proportional to 207,450,511.78, 286,298,025.67 and 118,146,232.00 is: 163,051,094.32
Step by Step Solution
- Step 1: Write the proportion equation
207,450,511.78 : 286,298,025.67 = 118,146,232.00 : x - Step 2: Convert to fraction form
207,450,511.78/286,298,025.67 = 118,146,232.00/x - Step 3: Cross multiply
207,450,511.78x = 286,298,025.67 × 118,146,232.00 - Step 4: Simplify right side
207,450,511.78x = 33,825,032,962,370,156 - Step 5: Solve for x
x = 33,825,032,962,370,156/207,450,511.78 - Step 6: Final answer
x = 163,051,094.32
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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.