Finding the Fourth Proportional to 150,515,172.11, 207,664,387.41 and 87,746,840.14
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Solution
The fourth proportional to 150,515,172.11, 207,664,387.41 and 87,746,840.14 is: 121,063,501.76
Step by Step Solution
- Step 1: Write the proportion equation
150,515,172.11 : 207,664,387.41 = 87,746,840.14 : x - Step 2: Convert to fraction form
150,515,172.11/207,664,387.41 = 87,746,840.14/x - Step 3: Cross multiply
150,515,172.11x = 207,664,387.41 × 87,746,840.14 - Step 4: Simplify right side
150,515,172.11x = 18,221,893,804,857,288 - Step 5: Solve for x
x = 18,221,893,804,857,288/150,515,172.11 - Step 6: Final answer
x = 121,063,501.76
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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.